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发明名称
摘要
申请公布号
BE702979(A)
申请公布日期
1968.02.23
申请号
BED702979
申请日期
1967.08.23
申请人
发明人
分类号
C07C69/34;C07C69/52;C08F20/68;C09F7/00;C11B3/00
主分类号
C07C69/34
代理机构
代理人
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地址
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