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公开(公告)号：US3156035A
公开(公告)日：1964-11-10
申请号：US82834459
申请日：1959-07-20
Applicant: PFAUDLER PERMUTIT INC
Inventor： DIEHL DONALD E , YOUNG HERBERT F
CPC classification number: F16L49/04 , F16L58/14 , Y10S285/911 , Y10T29/4975 , Y10T29/49844
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