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发明名称
摘要
申请公布号
BE714531(A)
申请公布日期
1968.11.04
申请号
BED714531
申请日期
1968.05.02
申请人
发明人
分类号
C08G18/40;C08G18/64;C08J9/00
主分类号
C08G18/40
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代理人
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地址
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