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公开(公告)号:US3139285A
公开(公告)日:1964-06-30
申请号:US9689161
申请日:1961-03-20
Applicant: PACIFIC VALVES INC
Inventor: DUMM ROBERT P
IPC: F16K27/02
CPC classification number: F16K27/029 , Y10S277/91
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公开(公告)号:US3053498A
公开(公告)日:1962-09-11
申请号:US7516060
申请日:1960-12-12
Applicant: PACIFIC VALVES INC
Inventor: DUMM ROBERT P
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