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发明名称
摘要
申请公布号
NL6814886(A)
申请公布日期
1969.04.22
申请号
NL19680014886
申请日期
1968.10.17
申请人
发明人
分类号
D06M13/248;(IPC1-7):C07C/;D06M/
主分类号
D06M13/248
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