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公开(公告)号：US3148694A
公开(公告)日：1964-09-15
申请号：US15897561
申请日：1961-12-13
Applicant: CASEY AUSTIN T , CASEY FRANK E
Inventor： CASEY AUSTIN T , CASEY FRANK E
IPC: F16K31/06
CPC classification number: F16K31/0627 , F16K31/0606 , Y10T137/3102 , Y10T137/8013
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