Firing apparatus for gun perforators,申请号US19420454863-传众专利搜索

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发明名称	Firing apparatus for gun perforators
摘要
申请公布号	US2331058(A)	申请公布日期	1943.10.05
申请号	US19420454863	申请日期	1942.08.14
申请人	LANE-WELLS COMPANY	发明人	JR. JOHN C. STICK,
分类号	E21B43/1185;F42D1/05	主分类号	E21B43/1185
代理机构		代理人
主权项
地址

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