Method and composition for protecting well casings,申请号US19520269779-传众专利搜索

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发明名称	Method and composition for protecting well casings
摘要
申请公布号	US2678697(A)	申请公布日期	1954.05.18
申请号	US19520269779	申请日期	1952.02.04
申请人	UNION OIL COMPANY	发明人	FISCHER PAUL W.
分类号	C09K8/502	主分类号	C09K8/502
代理机构		代理人
主权项
地址

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