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公开(公告)号：US2333496A
公开(公告)日：1943-11-02
申请号：US45365142
申请日：1942-08-05
Applicant: THOMPSON PROD INC
Inventor： ARTHUR TOWNHILL , STEVE CSASZAR
CPC classification number: F16L37/30 , F16L37/12 , F16L55/1007 , Y10T137/87933
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