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发明名称
摘要
申请公布号
NL7117643(A)
申请公布日期
1972.06.26
申请号
NL19710017643
申请日期
1971.12.22
申请人
发明人
分类号
C08G65/28;D06M13/192;D06M13/224;D06M15/53;(IPC1-7):D06M13/20;D06M13/16
主分类号
C08G65/28
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代理人
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地址
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