Improvements in or relating to film unwinding machines,申请号GB19460025619-传众专利搜索

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发明名称	Improvements in or relating to film unwinding machines
摘要
申请公布号	GB627708(A)	申请公布日期	1949.08.15
申请号	GB19460025619	申请日期	1946.08.27
申请人	BRITISH CELLOPHANE LIMITED	发明人
分类号	G03B21/43	主分类号	G03B21/43
代理机构		代理人
主权项
地址

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