Procédé pour assurer une fermeture étanche pour le vide poussé,申请号FRD880322-传众专利搜索

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发明名称	Procédé pour assurer une fermeture étanche pour le vide poussé
摘要
申请公布号	FR880322(A)	申请公布日期	1943.03.23
申请号	FRD880322	申请日期	1942.03.19
申请人	LOWE RADIO AKTIENGESELLSCHAFT	发明人
分类号	H01J5/24	主分类号	H01J5/24
代理机构		代理人
主权项
地址

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