RECOVERY OF TAR FROM TAR SANDS,申请号USD3553098-传众专利搜索

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发明名称	RECOVERY OF TAR FROM TAR SANDS
摘要
申请公布号	US3553098(A)	申请公布日期	1971.01.05
申请号	USD3553098	申请日期	1968.10.15
申请人	SHELL OIL CO.	发明人	ELMOND LOWELL CLARIDGE;JOHN TREANOR SMITH
分类号	C10C3/00;C10G1/04;(IPC1-7):C10G1/04	主分类号	C10C3/00
代理机构		代理人
主权项
地址

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