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公开(公告)号:US773394A
公开(公告)日:1904-10-25
申请号:US1896665258
申请日:1896-06-13
Applicant: DIAMOND MATCH CO
Inventor: HUTCHINSON DANIEL , WESTON MILTON T
CPC classification number: C06F1/26
公开(公告)号:US773394A
公开(公告)日:1904-10-25
申请号:US1896665258
申请日:1896-06-13
Applicant: DIAMOND MATCH CO
Inventor: HUTCHINSON DANIEL , WESTON MILTON T
CPC classification number: C06F1/26