Perfectionnements à la distillation du goudron,申请号FRD686726-传众专利搜索

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发明名称	Perfectionnements à la distillation du goudron
摘要
申请公布号	FR686726(A)	申请公布日期	1930.07.30
申请号	FRD686726	申请日期	1929.12.16
申请人	THE BARRETT COMPANY	发明人
分类号	C10C1/04;C10K1/18	主分类号	C10C1/04
代理机构		代理人
主权项
地址

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