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发明名称
摘要
申请公布号
SU454226(A1)
申请公布日期
1974.12.25
申请号
SU19721763660
申请日期
1972.03.22
申请人
发明人
分类号
(IPC1-7):C08G22/08;C09J3/16
主分类号
(IPC1-7):C08G22/08
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代理人
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