13.140;17.140.30;49.020 标准查询与下载
共找到 5 条与 相关的标准，共 1 页
Helicopters of civil aviation. Acceptable noise levels and methods of noise level determination on the ground
- ICS
- 13.140;17.140.30;49.020
- CCS
- 发布
- 1991
- 实施
- 1992-01-01
Light-weight propeller aeroplanes. Acceptable noise levels on ground and methods for its determination
- ICS
- 13.140;17.140.30;49.020
- CCS
- 发布
- 1985
- 实施
- 1986-07-01
Short take off and landing aircrafts. Acceptable noise levels on the ground and method of noise level determination
- ICS
- 13.140;17.140.30;49.020
- CCS
- 发布
- 1981
- 实施
- 1982-01-01
Transport supersonie aircrafts. Acceptable noise levels on the ground and method of noise level determination
- ICS
- 13.140;17.140.30;49.020
- CCS
- 发布
- 1981
- 实施
- 1982-01-01
Civil aeroplanes. Acceptable levels of sound shock intensity on the ground and measuring methods
- ICS
- 13.140;17.140.30;49.020
- CCS
- 发布
- 1979
- 实施
- 1980-07-01
