Recovery of oil from tar sands,申请号US19570666237-传众专利搜索

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发明名称	Recovery of oil from tar sands
摘要
申请公布号	US2882973(A)	申请公布日期	1959.04.21
申请号	US19570666237	申请日期	1957.06.17
申请人	SHELL DEVELOPMENT COMPANY	发明人	DOSCHER TODD M.;REISBERG JOSEPH
分类号	C09K8/584	主分类号	C09K8/584
代理机构		代理人
主权项
地址

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