Procédé et dispositif pour surveiller plusieurs endroits d'un poste d'observation,申请号FRD864591-传众专利搜索

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发明名称	Procédé et dispositif pour surveiller plusieurs endroits d'un poste d'observation
摘要
申请公布号	FR864591(A)	申请公布日期	1941.04.30
申请号	FRD864591	申请日期	1940.03.30
申请人		发明人	LEVY HANS RUDOLF
分类号	G02B23/24	主分类号	G02B23/24
代理机构		代理人
主权项
地址

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