 |
| |||
| 标准化科学原则常设委员会 | |||
|
Standing Committee for the Scientific Principles of Standardization : 1 a las frases, 1 temas |
| General | 1 |
|
| |||
| 标准化科学原则常设委员会 | |||
|
Standing Committee for the Scientific Principles of Standardization : 1 a las frases, 1 temas |
| General | 1 |