Perfectionnements aux méthodes de scellement étanche,申请号FRD865487-传众专利搜索

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发明名称	Perfectionnements aux méthodes de scellement étanche
摘要
申请公布号	FR865487(A)	申请公布日期	1941.05.24
申请号	FRD865487	申请日期	1940.05.08
申请人	COMPAGNIE DES LAMPES	发明人
分类号	H01J9/40	主分类号	H01J9/40
代理机构		代理人
主权项
地址

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