Process of compacting or sealing formations,申请号US19420442083-传众专利搜索

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发明名称	Process of compacting or sealing formations
摘要
申请公布号	US2393173(A)	申请公布日期	1946.01.15
申请号	US19420442083	申请日期	1942.05.07
申请人	NATIONAL LEAD COMPANY	发明人	LARSEN DELMAR H.
分类号	C09K8/504	主分类号	C09K8/504
代理机构		代理人
主权项
地址

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