Perfectionnements aux dispositifs d'enregistrement graphique,申请号FRD854163-传众专利搜索

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发明名称	Perfectionnements aux dispositifs d'enregistrement graphique
摘要
申请公布号	FR854163(A)	申请公布日期	1940.04.06
申请号	FRD854163	申请日期	1938.12.17
申请人	ATELIERS J. CARPENTIER	发明人
分类号	G01D15/10	主分类号	G01D15/10
代理机构		代理人
主权项
地址

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