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经营范围
发明名称
Treatment of catalyst masses
摘要
申请公布号
US1999388(A)
申请公布日期
1935.04.30
申请号
US19300435631
申请日期
1930.03.13
申请人
CELANESE CORPORATION
发明人
BADER WALTER;THOMAS EDWARD BOADEN
分类号
B01J23/92;B01J23/94;C07C29/153
主分类号
B01J23/92
代理机构
代理人
主权项
地址
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