Well casing perforating gun and cartridge,申请号US19410417418-传众专利搜索

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法人/股东/高管

发明名称	Well casing perforating gun and cartridge
摘要
申请公布号	US2456977(A)	申请公布日期	1948.12.21
申请号	US19410417418	申请日期	1941.11.01
申请人	MCCULLOUGH TOOL COMPANY	发明人	MCCULLOUGH IRA J.
分类号	E21B43/116	主分类号	E21B43/116
代理机构		代理人
主权项
地址

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