Perfectionnements aux horizons artificiels,申请号FRD941569-传众专利搜索

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发明名称	Perfectionnements aux horizons artificiels
摘要
申请公布号	FR941569(A)	申请公布日期	1949.01.14
申请号	FRD941569	申请日期	1947.02.11
申请人	LE MATERIEL TELEPHONIQUE	发明人	DEGROS MARC-FRANCIS
分类号	G01C19/32	主分类号	G01C19/32
代理机构		代理人
主权项
地址

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