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发明名称
摘要
申请公布号
NL249145(A)
申请公布日期
1964.04.10
申请号
NLD249145
申请日期
1960.03.07
申请人
BAYER AG
发明人
分类号
C01B17/52;C01B17/56;C22B1/02;C22B1/14
主分类号
C01B17/52
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代理人
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