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DIAPHRAGM-TYPE VALVE
US 3,495,804 A
Filed
: 10/19/1967
Issued
: 02/17/1970
Est. Priority Date
: 10/25/1966
Status: Expired due to Term
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60
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Current Assignee
Lang Erich
,
Muller Franz-Josef
Original Assignee
Lang Erich
,
Muller Franz-Josef
Inventors
MULLER FRANZ-JOSEF
,
LANG ERICH
Application Number
US04/676,563
Time in Patent Office
852 Days
Field of Search
US Class Current
251/36
CPC Class Codes
F16K 31/402
acting on a diaphragm
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