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公开(公告)号：US627991A
公开(公告)日：1899-07-04
申请号：US1898691169
申请日：1898-09-17
Applicant: ENSIGN CHARLES AMBROSE
Inventor： ENSIGN CHARLES AMBROSE
IPC: E05D15/06
CPC classification number: E05D15/0634 , E05Y2201/696 , E05Y2900/132 , Y10T16/3816 , Y10T16/3834
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