Methods of measurement of the performance characteristics of positive-displacement vacuum pumps : part - 1 : measurement of the volume rate of flow (pumpung speed)
Methods of measurement of the performance characteristics of positive-displacement vacuum pumps : part - 1 : measurement of the volume rate of flow (pumpung speed)
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- New Delhi ISI 1973
- 13 p.
- ISI S 6849 : part - 1 : 1973 .
BISI S 6849 : part - 1 : 1973
BISI S 6849 : part - 1 : 1973