Fracturing formations at selected elevations,申请号US19530356881-传众专利搜索

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发明名称	Fracturing formations at selected elevations
摘要
申请公布号	US2838117(A)	申请公布日期	1958.06.10
申请号	US19530356881	申请日期	1953.05.22
申请人	PAN AMERICAN PETROLEUM CORPORATION	发明人	JR. JOSEPH B. CLARK,;DYK KARL
分类号	E21B43/26	主分类号	E21B43/26
代理机构		代理人
主权项
地址

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