APPARATUS FOR RETORTING OIL SHALE HAVING A CENTRAL AXIAL HOLLOW COLUMN,申请号USD3519539-传众专利搜索

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发明名称	APPARATUS FOR RETORTING OIL SHALE HAVING A CENTRAL AXIAL HOLLOW COLUMN
摘要
申请公布号	US3519539(A)	申请公布日期	1970.07.07
申请号	USD3519539	申请日期	1967.09.25
申请人	KOPPERS CO. INC.	发明人	ELWOOD V. SCHULTE
分类号	C10B1/04;C10B53/06;C10G1/02;(IPC1-7):C10B1/04;C10G1/00	主分类号	C10B1/04
代理机构		代理人
主权项
地址

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