23.080;23.160 标准查询与下载
共找到 4 条与 相关的标准，共 1 页
Vacuum technology - Positive-displacement vacuum pumps - Measurement of ultimate pressure.
- ICS
- 23.080;23.160
- CCS
- J78
- 发布
- 1975-11-01
- 实施
- 1975-11-07
Vacuum technology. Vapour vacuum pumps. Measurement of critical backing pressure.
- ICS
- 23.080;23.160
- CCS
- J78
- 发布
- 1975-11-01
- 实施
- 1975-11-07
Vacuum technology-positive-displacement vacuum pumps-measurement ofthe volume rate of flow (pumping speed).
- ICS
- 23.080;23.160
- CCS
- J78
- 发布
- 1971-11-01
- 实施
- 1971-11-02
Vacuum technology. Vapour vacuum pumps. Measurement of the volume rate of flow (pumping speed).
- ICS
- 23.080;23.160
- CCS
- J78
- 发布
- 1971-11-01
- 实施
- 1971-11-02
