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经营范围
发明名称
Gasification of powdered fuel and use of a protective gas
摘要
申请公布号
US2702744(A)
申请公布日期
1955.02.22
申请号
US19480043951
申请日期
1948.08.12
申请人
KOPPERS COMPANY, INC.
发明人
TOTZEK FRIEDRICH
分类号
C10J3/46
主分类号
C10J3/46
代理机构
代理人
主权项
地址
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