Perfectionnements aux planchettes de visée et de tracé topographiques,申请号FRD859739-传众专利搜索

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发明名称	Perfectionnements aux planchettes de visée et de tracé topographiques
摘要
申请公布号	FR859739(A)	申请公布日期	1940.12.27
申请号	FRD859739	申请日期	1939.05.25
申请人		发明人	CHAIX PIERRE-LOUIS-MAURICE
分类号	G01C17/12	主分类号	G01C17/12
代理机构		代理人
主权项
地址

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