An improved spool of thread,申请号GB19390017434-传众专利搜索

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发明名称	An improved spool of thread
摘要
申请公布号	GB619038(A)	申请公布日期	1949.03.03
申请号	GB19390017434	申请日期	1939.06.14
申请人	PAUL ANDRIEU	发明人
分类号	B65H75/18	主分类号	B65H75/18
代理机构		代理人
主权项
地址

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