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公开(公告)号:US893882A
公开(公告)日:1908-07-21
申请号:US1905286827
申请日:1905-11-11
Applicant: SPOONER JOHN A
Inventor: SPOONER JOHN A
CPC classification number: B41J1/46
公开(公告)号:US893882A
公开(公告)日:1908-07-21
申请号:US1905286827
申请日:1905-11-11
Applicant: SPOONER JOHN A
Inventor: SPOONER JOHN A
CPC classification number: B41J1/46