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发明名称
摘要
申请公布号
BE737182(A)
申请公布日期
1970.02.09
申请号
BED737182
申请日期
1969.08.07
申请人
发明人
分类号
C08G2/00
主分类号
C08G2/00
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代理人
主权项
地址
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