Device for detonating explosives in oil wells,申请号US19470753628-传众专利搜索

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发明名称	Device for detonating explosives in oil wells
摘要
申请公布号	US2506836(A)	申请公布日期	1950.05.09
申请号	US19470753628	申请日期	1947.06.10
申请人	KALTENBERGER LLOYD H	发明人	KALTENBERGER LLOYD H.
分类号	F42B3/08	主分类号	F42B3/08
代理机构		代理人
主权项
地址

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