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经营范围
发明名称
PROCESS FOR LACTAM PRODUCTION
摘要
申请公布号
CA547763(A)
申请公布日期
1957.10.22
申请号
CAD547763
申请日期
申请人
BRITISH CELANESE LIMITED
发明人
IRENE M. COHN
分类号
主分类号
代理机构
代理人
主权项
地址
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