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公开(公告)号：US1946673A
公开(公告)日：1934-02-13
申请号：US48189430
申请日：1930-09-15
Applicant: CRAWFORD DOOR CO
Inventor： DAUTRICK OWEN L , HUFFERD GEORGE H , CASSE JOSEPH E , STEPHENS CHARLES U
IPC: E05D15/42
CPC classification number: E05D15/425 , E05Y2900/132
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