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发明名称
Reactivation of contact masses
摘要
申请公布号
US2275184(A)
申请公布日期
1942.03.03
申请号
US19400328206
申请日期
1940.04.06
申请人
UNIVERSAL OIL PRODUCTS COMPANY
发明人
MEKLER LEV A.
分类号
B01J38/12
主分类号
B01J38/12
代理机构
代理人
主权项
地址
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