Paper winding mechanism,申请号US19290392001-传众专利搜索

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发明名称	Paper winding mechanism
摘要
申请公布号	US1844081(A)	申请公布日期	1932.02.09
申请号	US19290392001	申请日期	1929.09.12
申请人	THE BAGLEY AND SEWALL COMPANY	发明人	VALENTINE CHARLES W.;HELIN ALFRED F.
分类号	B65H19/22	主分类号	B65H19/22
代理机构		代理人
主权项
地址

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