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发明名称
ETHYLENE PROCESS
摘要
申请公布号
GB8923111(D0)
申请公布日期
1989.11.29
申请号
GB19890023111
申请日期
1989.10.13
申请人
ENSERCH INTERNATIONAL INVESTMENTS LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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