Apparatus for converting petroleum oil,申请号US19210525094-传众专利搜索

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发明名称	Apparatus for converting petroleum oil
摘要
申请公布号	US1806060(A)	申请公布日期	1931.05.19
申请号	US19210525094	申请日期	1921.12.27
申请人	UNIVERSAL OIL PRODUCTS COMPANY	发明人	HOWARD WILLIAM R.
分类号		主分类号
代理机构		代理人
主权项
地址

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