Tra cứu Tiêu chuẩn quốc tế
Tìm thấy 696 kết quả.
Searching result
| 381 |
BS 6160-1:1989*IEC 60489-1:1983Radio equipment used in mobile services. General requirements and conditions of measurement Radio equipment used in mobile services. General requirements and conditions of measurement |
| 382 |
|
| 383 |
IEC 60489-1:1983
Methods of measurement for radio equipment used in the mobile services. Part 1: General definitions and standard conditions of measurement |
| 384 |
IEC 60487-3-4:1982
Methods of measurement for equipment used in terrestrial radio-relay systems - Part 3: Simulated systems - Section Four: Measurements for f.d.m. transmission |
| 385 |
IEC 60487-3-5:1982
Methods of measurement for equipment used in terrestrial radio-relay systems - Part 3: Simulated systems - Section Five: Measurement of mutual interference |
| 386 |
|
| 387 |
BS 6043-1.4:1981*ISO 6376-1980Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode pitch. Determination of content of toluene-insoluble material Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode pitch. Determination of content of toluene-insoluble material |
| 388 |
BS 6047-1:1981Flame supervision devices for domestic, commercial and catering gas appliances. Specification for heat sensitive type Flame supervision devices for domestic, commercial and catering gas appliances. Specification for heat sensitive type |
| 389 |
BS 6049-1:1981*ISO 1572-1980Methods of test for tea. Preparation of ground sample of known dry matter content Methods of test for tea. Preparation of ground sample of known dry matter content |
| 390 |
BS 6049-2:1981*ISO 1573-1980Methods of test for tea. Determination of loss in mass at 103 Methods of test for tea. Determination of loss in mass at 103 |
| 391 |
BS 6049-7:1981*ISO 1578-1975Methods of test for tea. Determination of alkalinity of water-soluble ash Methods of test for tea. Determination of alkalinity of water-soluble ash |
| 392 |
|
| 393 |
IEC 60487-2-1:1981
Methods of measurement for equipment used in terrestrial radio-relay systems. Part 2-1: Measurements for sub-systems. General |
| 394 |
IEC 60487-2-2:1981
Methods of measurement for equipment used in terrestrial radio-relay systems. Part 2: Measurements for sub-systems. Section Two: Stand-by channel switching equipment |
| 395 |
IEC 60487-3-2:1981
Methods of measurement for equipment used in terrestrial radio-relay systems - Part 3: Simulated systems - Section Two: Measurements in the baseband |
| 396 |
IEC 60487-3-3:1981
Methods of measurement for equipment used in terrestrial radio-relay systems - Part 3: Simulated systems - Section Three: Measurements for monochrome and colour television transmission |
| 397 |
BS 6043-1.2:1981*ISO 5939:1980Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode pitch. Determination of water content (Dean and Stark method) Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode pitch. Determination of water content (Dean and Stark method) |
| 398 |
BS 6160-4:1981*IEC 60489-4:1980Radio equipment used in mobile services. Transmitters employing single-sideband emissions (A3A, A3H or A3J) Radio equipment used in mobile services. Transmitters employing single-sideband emissions (A3A, A3H or A3J) |
| 399 |
IEC 60444-2:1980
Measurement of quartz crystal unit parameters by zero phase technique in a pi-network. Part 2: Phase offset method for measurement of motional capacitance of quartz crystal units |
| 400 |
IEC 60457-3:1980
Rigid precision coaxial and their associated precision connectors. Part 3: 14 mm rigid precision coaxial line and associated hermaphroditic precision coaxial connector - Characteristic impedances 50 ohms and 75 ohms |
