Metallic vapor discharge device,申请号US19380185913-传众专利搜索

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发明名称	Metallic vapor discharge device
摘要
申请公布号	US2157913(A)	申请公布日期	1939.05.09
申请号	US19380185913	申请日期	1938.01.20
申请人	SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT	发明人	NEHLS WALTER
分类号	H01J13/32	主分类号	H01J13/32
代理机构		代理人
主权项
地址

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