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发明名称
摘要
申请公布号
DD126471(A1)
申请公布日期
1977.07.20
申请号
DD19760193875
申请日期
1976.07.15
申请人
发明人
分类号
C08F2/22;(IPC1-7):C08F2/22
主分类号
C08F2/22
代理机构
代理人
主权项
地址
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