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发明名称
PRODUCTION OF ANHYDROUS KETENES
摘要
申请公布号
CA534525(A)
申请公布日期
1956.12.18
申请号
CAD534525
申请日期
申请人
CELANESE CORPORATION OF AMERICA
发明人
JOHN R. MCKLVEEN
分类号
主分类号
代理机构
代理人
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