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发明名称
MAINTAINING CATALYST ACTIVITY
摘要
申请公布号
CA916123(A)
申请公布日期
1972.12.05
申请号
CAD916123
申请日期
申请人
THE DOW CHEMICAL COMPANY
发明人
LUDO K. FREVEL
分类号
主分类号
代理机构
代理人
主权项
地址
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