Tra cứu Tiêu chuẩn quốc tế
Tìm thấy 3168 kết quả.
Searching result
| 1141 |
BS EN 4825:2021Aerospace series — Steel X12CrNiMoV12-3 (1.4938) — Air melted and consumable electrode remelted — Hardened and tempered — Bars — De ≤ 150 mm — 900 MPa ≤ Rm ≤ 1 100 MPa Aerospace series — Steel X12CrNiMoV12-3 (1.4938) — Air melted and consumable electrode remelted — Hardened and tempered — Bars — De ≤ 150 mm — 900 MPa ≤ Rm ≤ 1 100 MPa |
| 1142 |
BS EN 4866:2021Aerospace series — Definitions of imperfections and defects in organic matrix composite materials Aerospace series — Definitions of imperfections and defects in organic matrix composite materials |
| 1143 |
BS EN 50110-2:2021Operation of electrical installations Part 2: National annexes Operation of electrical installations Part 2: National annexes |
| 1144 |
BS EN 50134-5:2021Alarm systems - Social alarm systems Part 5: Interconnections and communications Alarm systems - Social alarm systems Part 5: Interconnections and communications |
| 1145 |
BS EN 50155:2021Railway applications - Rolling stock - Electronic equipment Railway applications - Rolling stock - Electronic equipment |
| 1146 |
BS EN 50290-2-24:2021Communication cables Part 2-24: Common design rules and construction — Polyethylene sheathing compounds Communication cables Part 2-24: Common design rules and construction — Polyethylene sheathing compounds |
| 1147 |
BS EN 50290-2-27:2021Communication cables Part 2-27: Common design rules and construction — Halogen free polyolefin based sheathing compounds for cables having improved flame and fire properties (HFFR) Communication cables Part 2-27: Common design rules and construction — Halogen free polyolefin based sheathing compounds for cables having improved flame and fire properties (HFFR) |
| 1148 |
BS EN 50336:2021Bushings for transformers and reactor cable boxes not exceeding 36 kV Bushings for transformers and reactor cable boxes not exceeding 36 kV |
| 1149 |
|
| 1150 |
BS EN 50554:2021Basic standard for the in-situ assessment of exposure to radio frequency electromagnetic fields in the vicinity of a broadcast site Basic standard for the in-situ assessment of exposure to radio frequency electromagnetic fields in the vicinity of a broadcast site |
| 1151 |
BS EN 50600-2-1-TC:2021Tracked Changes (Redline) - Information technology — Data centre facilities and infrastructures — Part 2-1: Building construction Tracked Changes (Redline) - Information technology — Data centre facilities and infrastructures — Part 2-1: Building construction |
| 1152 |
BS EN 50600-2-1:2021Information technology - Data centre facilities and infrastructures Part 2-1: Building construction Information technology - Data centre facilities and infrastructures Part 2-1: Building construction |
| 1153 |
BS EN 50600-2-5-TC:2021Tracked Changes (Redline) - Information technology — Data centre facilities and infrastructures — Part 2-5: Security systems Tracked Changes (Redline) - Information technology — Data centre facilities and infrastructures — Part 2-5: Security systems |
| 1154 |
BS EN 50600-2-5:2021Information technology — Data centre facilities and infrastructures Part 2-5: Security systems Information technology — Data centre facilities and infrastructures Part 2-5: Security systems |
| 1155 |
BS EN 50695:2021Public-address-general-emergency-alarm-system, communication-system for marine applications Public-address-general-emergency-alarm-system, communication-system for marine applications |
| 1156 |
BS EN 50696:2021Contact Interface for Automated Connection Device Contact Interface for Automated Connection Device |
| 1157 |
|
| 1158 |
BS EN 50702:2021Railway applications — Rolling stock — Conductor rail current collectors (shoegear): Characteristics and tests Railway applications — Rolling stock — Conductor rail current collectors (shoegear): Characteristics and tests |
| 1159 |
BS EN 50708-2-5:2021Power transformers - Additional European requirements Part 2-5: Medium power transformer - Single phase Power transformers - Additional European requirements Part 2-5: Medium power transformer - Single phase |
| 1160 |
BS EN 50710:2021Requirements for the provision of secure remote services for fire safety systems and security systems Requirements for the provision of secure remote services for fire safety systems and security systems |
