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公开(公告)号：US2872697A
公开(公告)日：1959-02-10
申请号：US61712256
申请日：1956-10-19
Applicant: HIZSA JR GEORGE
Inventor： HIZSA JR GEORGE
IPC: E05D11/08
CPC classification number: E05D11/082 , E05Y2900/132 , Y10T16/54038
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