Rotary retort for the treatment of oil shale and the like,申请号US19300491957-传众专利搜索

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发明名称	Rotary retort for the treatment of oil shale and the like
摘要
申请公布号	US1831704(A)	申请公布日期	1931.11.10
申请号	US19300491957	申请日期	1930.10.29
申请人	MALCOLM DAVIDSON THOMAS	发明人	DAVIDSON THOMAS MALCOLM
分类号	C10B1/10	主分类号	C10B1/10
代理机构		代理人
主权项
地址

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