Three-port transfer valve with one port open continuously suitable for manned space flight
Transfer valve Patent
1968-02-20
Miscellaneous
No indication
English
Solenoid Valve Patent Application
NTIS | 1970
|Improved Valve Seat Patent Application
NTIS | 1970
|Positive locking check valve Patent
NTRS | 1968
|Child's patent piston valve in steam engine
Engineering Index Backfile | 1889
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