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经营范围
发明名称
Obtaining by-products from coal distillation gases
摘要
申请公布号
GB378222(A)
申请公布日期
1932.08.11
申请号
GB19310024375
申请日期
1931.08.29
申请人
CARL STILL
发明人
分类号
C10K1/04
主分类号
C10K1/04
代理机构
代理人
主权项
地址
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