Title:
METHOD AND APPARATUS FOR PRESSURIZING AND DEPRESSURIZING OF FLUIDS
United States Patent 3489159


Inventors:
Cheng, Chen-yen
Cheng, Sin-wang
Application Number:
US3489159DA
Publication Date:
01/13/1970
Filing Date:
08/18/1965
Assignee:
Cheng, Chen Yen
Sin, Wang Cheng
Primary Class:
Other Classes:
62/533, 62/541, 137/571, 210/652
International Classes:
B01J3/04; F04B9/10; (IPC1-7): F17D1/18
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