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发明名称
Verfahren zur Herstellung abriebfester Tonerde
摘要
申请公布号
DE1053481(B)
申请公布日期
1959.03.26
申请号
DE1956E013165
申请日期
1956.10.30
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
分类号
B01J21/04;C01F7/36
主分类号
B01J21/04
代理机构
代理人
主权项
地址
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