Distillation of carbonaceous materials,申请号US19270234904-传众专利搜索

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发明名称	Distillation of carbonaceous materials
摘要
申请公布号	US1830884(A)	申请公布日期	1931.11.10
申请号	US19270234904	申请日期	1927.11.21
申请人	HARALD NIELSEN;BRYAN LAING	发明人	NIELSEN HARALD;LAING BRYAN
分类号	C10B49/04	主分类号	C10B49/04
代理机构		代理人
主权项
地址

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