High-voltage generators,申请号US19520282143-传众专利搜索

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发明名称	High-voltage generators
摘要
申请公布号	US2789241(A)	申请公布日期	1957.04.16
申请号	US19520282143	申请日期	1952.04.14
申请人	SCHLUMBERGER WELL SURVEYING CORPORATION	发明人	JR. HUGH B. FREY,
分类号	G21H1/02;H05H5/00	主分类号	G21H1/02
代理机构		代理人
主权项
地址

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