Making underground storage caverns,申请号US19570636811-传众专利搜索

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发明名称	Making underground storage caverns
摘要
申请公布号	US2994200(A)	申请公布日期	1961.08.01
申请号	US19570636811	申请日期	1957.01.28
申请人	PHILLIPS PETROLEUM COMPANY	发明人	CARPENTER PAUL G.
分类号	E21B43/28	主分类号	E21B43/28
代理机构		代理人
主权项
地址

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