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发明名称
摘要
申请公布号
PL93383(B1)
申请公布日期
1977.05.30
申请号
PL19740171952
申请日期
1974.06.15
申请人
发明人
分类号
C08G63/46;(IPC1-7):C08G63/46
主分类号
C08G63/46
代理机构
代理人
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地址
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