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发明名称
PRILL TOWER RAKE
摘要
申请公布号
GB1599193(A)
申请公布日期
1981.09.30
申请号
GB19780019644
申请日期
1978.05.15
申请人
GRACE & CO W R
发明人
分类号
B29B9/00;B01J2/02;B01J2/04;(IPC1-7):B01J2/00
主分类号
B29B9/00
代理机构
代理人
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