RECOVERY OF OIL FROM OIL SANDS,申请号CAD303905-传众专利搜索

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发明名称	RECOVERY OF OIL FROM OIL SANDS
摘要
申请公布号	CA303905(A)	申请公布日期	1930.09.09
申请号	CAD303905	申请日期
申请人	OTTO D. LEWIS	发明人	OTTO D. LEWIS
分类号		主分类号
代理机构		代理人
主权项
地址

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