DRY PROCESS FOR REMOVAL OF PYRITE FROM COAL,申请号USD3540662-传众专利搜索

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发明名称	DRY PROCESS FOR REMOVAL OF PYRITE FROM COAL
摘要
申请公布号	US3540662(A)	申请公布日期	1970.11.17
申请号	USD3540662	申请日期	1968.03.21
申请人	INTERIOR USA	发明人	WILLIAM T. ABEL;JAMES WILSON ECKERD
分类号	B02C19/00;(IPC1-7):B02C21/00	主分类号	B02C19/00
代理机构		代理人
主权项
地址

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