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公开(公告)号:US1158410A
公开(公告)日:1915-10-26
申请号:US297515
申请日:1915-01-18
Applicant: OHIO MATCH COMPANY
Inventor: WELKER ALVIN D
CPC classification number: C06F1/26
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公开(公告)号:US1167324A
公开(公告)日:1916-01-04
申请号:US745015
申请日:1915-02-10
Applicant: OHIO MATCH COMPANY
Inventor: YOUNG EDWIN J , WELKER ALVIN D
CPC classification number: G03G15/0877
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公开(公告)号:US1129032A
公开(公告)日:1915-02-16
申请号:US1914829299
申请日:1914-04-03
Applicant: OHIO MATCH COMPANY
Inventor: YOUNG EDWIN J , WELKER ALVIN D
CPC classification number: C06F1/26
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公开(公告)号:US1167323A
公开(公告)日:1916-01-04
申请号:US1913741601
申请日:1913-01-11
Applicant: OHIO MATCH COMPANY
Inventor: WEAVER JAMES H , WELKER ALVIN D
CPC classification number: C06F1/26
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公开(公告)号:US1147058A
公开(公告)日:1915-07-20
申请号:US1914866696
申请日:1914-10-14
Applicant: OHIO MATCH COMPANY
Inventor: WEAVER JAMES H , WELKER ALVIN D
CPC classification number: B65B1/22
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