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经营范围
发明名称
Chamber oven for coal distillation
摘要
申请公布号
US1943562(A)
申请公布日期
1934.01.16
申请号
US19310507678
申请日期
1931.01.09
申请人
CARL STILL
发明人
STILL CARL
分类号
C10B27/02
主分类号
C10B27/02
代理机构
代理人
主权项
地址
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