Indicating system for filing cards and the like,申请号GB19330012984-传众专利搜索

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发明名称	Indicating system for filing cards and the like
摘要
申请公布号	GB404523(A)	申请公布日期	1934.01.18
申请号	GB19330012984	申请日期	1933.05.04
申请人	ALPHONSE DUTHIL	发明人
分类号	B42F17/00	主分类号	B42F17/00
代理机构		代理人
主权项
地址

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