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经营范围
发明名称
Improvements in or relating to the preparation of malononitriles
摘要
申请公布号
GB679605(A)
申请公布日期
1952.09.17
申请号
GB19510007058
申请日期
1951.03.27
申请人
AMERICAN CYANAMID COMPANY
发明人
分类号
主分类号
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代理人
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