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发明名称
摘要
申请公布号
BE731838(A)
申请公布日期
1969.10.21
申请号
BED731838
申请日期
1969.04.21
申请人
发明人
分类号
C08F14/06;C08F214/06;C08F259/04
主分类号
C08F14/06
代理机构
代理人
主权项
地址
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