Improvements in means for maintaining constant tension in a continuous length of material when electrically driven,申请号GB19420006869-传众专利搜索

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发明名称	Improvements in means for maintaining constant tension in a continuous length of material when electrically driven
摘要
申请公布号	GB551607(A)	申请公布日期	1943.03.02
申请号	GB19420006869	申请日期	1942.05.20
申请人	GENERAL ELECTRIC COMPANY	发明人
分类号	B65H23/195	主分类号	B65H23/195
代理机构		代理人
主权项
地址

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