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经营范围
发明名称
PURIFICATION OF ETHYLENE
摘要
申请公布号
CA733543(A)
申请公布日期
1966.05.03
申请号
CAD733543
申请日期
申请人
BRITISH CELANESE LIMITED
发明人
KEITH F. DANIELS;STANLEY BEESLEY
分类号
主分类号
代理机构
代理人
主权项
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