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经营范围
发明名称
Method of activating clays or like siliceous crude earths
摘要
申请公布号
GB478911(A)
申请公布日期
1938.01.27
申请号
GB19370003693
申请日期
1937.02.08
申请人
OESTERREICHISCHE DYNAMIT NOBEL AKTIENGESELLSCHAFT
发明人
分类号
B01J20/12
主分类号
B01J20/12
代理机构
代理人
主权项
地址
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