Perfectionnements aux classeurs, reliures provisoires, livres à feuillets mobiles, etc.,申请号FRD687757-传众专利搜索

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发明名称	Perfectionnements aux classeurs, reliures provisoires, livres à feuillets mobiles, etc.
摘要
申请公布号	FR687757(A)	申请公布日期	1930.08.13
申请号	FRD687757	申请日期	1930.01.06
申请人	JOHN WALKER & CO. LIMITED	发明人
分类号	B42F13/18	主分类号	B42F13/18
代理机构		代理人
主权项
地址

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