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经营范围
发明名称
Production de pyrrolidone
摘要
申请公布号
FR1480780(A)
申请公布日期
1967.05.12
申请号
FR19660062518
申请日期
1966.05.23
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NV.
发明人
分类号
C07D207/26;C07D207/27
主分类号
C07D207/26
代理机构
代理人
主权项
地址
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