Web roll controlling mechanism,申请号US19380213146-传众专利搜索

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发明名称	Web roll controlling mechanism
摘要
申请公布号	US2252969(A)	申请公布日期	1941.08.19
申请号	US19380213146	申请日期	1938.06.11
申请人	R. HOE & CO., INC.	发明人	FREEMAN STANLEY C.
分类号	B65H23/08	主分类号	B65H23/08
代理机构		代理人
主权项
地址

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