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发明名称
摘要
申请公布号
BE704971(A)
申请公布日期
1968.02.15
申请号
BED704971
申请日期
1967.10.11
申请人
发明人
分类号
C08G73/18;C08G73/22
主分类号
C08G73/18
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代理人
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地址
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