Disques concentriques pour la recherche des stations de correspondance des lignes deréseaux de transport,申请号FRD823622-传众专利搜索

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发明名称	Disques concentriques pour la recherche des stations de correspondance des lignes deréseaux de transport
摘要
申请公布号	FR823622(A)	申请公布日期	1938.01.24
申请号	FRD823622	申请日期	1937.06.26
申请人		发明人	PAOLINI DOMINIQUE
分类号	G09B29/00	主分类号	G09B29/00
代理机构		代理人
主权项
地址

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