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公开(公告)号:US1255701A
公开(公告)日:1918-02-05
申请号:US18742317
申请日:1917-08-21
Applicant: BROWN FRANK
Inventor: BROWN FRANK
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公开(公告)号:US1080545A
公开(公告)日:1913-12-09
申请号:US1913761564
申请日:1913-04-16
Applicant: EKVALL CONRAD
Inventor: EKVALL CONRAD
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公开(公告)号:US914031A
公开(公告)日:1909-03-02
申请号:US1908431866
申请日:1908-03-09
Applicant: EKSTROM ROY P
Inventor: EKSTROM ROY P
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公开(公告)号:US793475A
公开(公告)日:1905-06-27
申请号:US1904190792
申请日:1904-01-27
Applicant: ULANDER JOHAN JAKOB
Inventor: ULANDER JOHAN JAKOB
CPC classification number: A01J11/06
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