SPINE MECHANISM FOR A LOOSE-LEAF RING BOOK,申请号GB19680047043-传众专利搜索

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发明名称	SPINE MECHANISM FOR A LOOSE-LEAF RING BOOK
摘要
申请公布号	GB1210741(A)	申请公布日期	1970.10.28
申请号	GB19680047043	申请日期	1968.10.03
申请人	HEINZ GRUNWITZ	发明人	HEINZ GRUNWITZ
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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