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公开(公告)号:US637747A
公开(公告)日:1899-11-21
申请号:US1899729496
申请日:1899-09-05
Applicant: REUBEN D WIRT , CHARLES E KNOX
Inventor: DURNELL CECIL M
CPC classification number: A01B35/02
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公开(公告)号:US780757A
公开(公告)日:1905-01-24
申请号:US1904205476
申请日:1904-04-29
Applicant: REUBEN D WIRT , LOCKWOOD EDWARD M JR
Inventor: LOCKWOOD EDWARD M JR
CPC classification number: B65B43/58
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