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公开(公告)号:US1067326A
公开(公告)日:1913-07-15
申请号:US1912723295
申请日:1912-10-01
Applicant: DIAMOND MATCH CO
Inventor: FAIRBURN WILLIAM ARMSTRONG
CPC classification number: C06F3/00
公开(公告)号:US1067326A
公开(公告)日:1913-07-15
申请号:US1912723295
申请日:1912-10-01
Applicant: DIAMOND MATCH CO
Inventor: FAIRBURN WILLIAM ARMSTRONG
CPC classification number: C06F3/00