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发明名称
摘要
申请公布号
NL6802001(A)
申请公布日期
1968.08.14
申请号
NL19680002001
申请日期
1968.02.13
申请人
发明人
分类号
C01B7/19;C01B17/16;C01B17/60;C01B31/20;C01C1/02;(IPC1-7):B01J/;C01C/;C01B/
主分类号
C01B7/19
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代理人
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地址
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