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发明名称
摘要
申请公布号
FR2185444(B1)
申请公布日期
1976.09.10
申请号
FR19730013029
申请日期
1973.04.11
申请人
NORTON CY
发明人
分类号
B01J20/08;B01J37/00;C01F7/02;(IPC1-7):B01J11/60
主分类号
B01J20/08
代理机构
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