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发明名称
摘要
申请公布号
GB1289743(A)
申请公布日期
1972.09.20
申请号
GBD1289743
申请日期
1969.12.21
申请人
发明人
分类号
C08G77/06;C08L83/04
主分类号
C08G77/06
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代理人
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