Improvements in getters,申请号GB19520019448-传众专利搜索

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发明名称	Improvements in getters
摘要
申请公布号	GB727751(A)	申请公布日期	1955.04.06
申请号	GB19520019448	申请日期	1952.07.31
申请人	PECHINEY COMPAGNIE DE PRODUITS CHIMIQUES ET ELECTROMETALLURGIQUES	发明人
分类号	H01J7/18	主分类号	H01J7/18
代理机构		代理人
主权项
地址

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