Distillation of tar or pitch,申请号US19290413254-传众专利搜索

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发明名称	Distillation of tar or pitch
摘要
申请公布号	US1904505(A)	申请公布日期	1933.04.18
申请号	US19290413254	申请日期	1929.12.11
申请人	THE BARRETT COMPANY	发明人	MILLER STUART PARMELEE
分类号	C01B31/08;C10C1/04	主分类号	C01B31/08
代理机构		代理人
主权项
地址

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