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2.
公开(公告)号:US1002303A
公开(公告)日:1911-09-05
申请号:US1910599895
申请日:1910-12-29
发明人: NEWSOME EDGAR T
CPC分类号: F16B11/006 , Y10T156/1085 , Y10T156/1095 , Y10T156/1727 , Y10T156/1734
-
公开(公告)号:US1002303A
公开(公告)日:1911-09-05
申请号:US1910599895
申请日:1910-12-29
发明人: NEWSOME EDGAR T
CPC分类号: F16B11/006 , Y10T156/1085 , Y10T156/1095 , Y10T156/1727 , Y10T156/1734