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发明名称
摘要
申请公布号
NL6612292(A)
申请公布日期
1967.03.09
申请号
NL19660012292
申请日期
1966.08.31
申请人
发明人
分类号
C07C31/18;C07C31/20;C07C33/20
主分类号
C07C31/18
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