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经营范围
发明名称
Process of treating tars, fuel oils and bitumens
摘要
申请公布号
GB471216(A)
申请公布日期
1937.08.31
申请号
GB19360011575
申请日期
1936.04.23
申请人
HENRY JAMES HODSMAN
发明人
分类号
C10C1/02
主分类号
C10C1/02
代理机构
代理人
主权项
地址
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