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经营范围
发明名称
PRODUCING COMBUSTIBLE GASES
摘要
申请公布号
IE19098(L)
申请公布日期
1949.06.29
申请号
IE19480000816
申请日期
1948.12.29
申请人
KOPPERS CO. INC.
发明人
分类号
C10J3/50;(IPC1-7):C10J3/50
主分类号
C10J3/50
代理机构
代理人
主权项
地址
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