Method for recovering acid from petroleum sludges,申请号US19390311321-传众专利搜索

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发明名称	Method for recovering acid from petroleum sludges
摘要
申请公布号	US2330077(A)	申请公布日期	1943.09.21
申请号	US19390311321	申请日期	1939.12.28
申请人	O'DELL JOHN A	发明人	O'DELL JOHN A.
分类号	C01B17/92	主分类号	C01B17/92
代理机构		代理人
主权项
地址

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