Constant tension winding,申请号US19500185837-传众专利搜索

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发明名称	Constant tension winding
摘要
申请公布号	US2610806(A)	申请公布日期	1952.09.16
申请号	US19500185837	申请日期	1950.09.20
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	LATHROP ROBERT P.
分类号	B65H59/00	主分类号	B65H59/00
代理机构		代理人
主权项
地址

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