Method for mining soluble mineral substances,申请号US19620198614-传众专利搜索

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发明名称	Method for mining soluble mineral substances
摘要
申请公布号	US3132852(A)	申请公布日期	1964.05.12
申请号	US19620198614	申请日期	1962.05.29
申请人	DOLBEAR SAMUEL H	发明人	DOLBEAR SAMUEL H.
分类号	E21C41/16;E21C41/20;E21C50/00	主分类号	E21C41/16
代理机构		代理人
主权项
地址

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