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经营范围
发明名称
Préparation d'une argile pour la catalyse
摘要
申请公布号
FR862319(A)
申请公布日期
1941.03.04
申请号
FRD862319
申请日期
1939.12.13
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
分类号
B01J21/16
主分类号
B01J21/16
代理机构
代理人
主权项
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