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发明名称
摘要
申请公布号
GB1229221(A)
申请公布日期
1971.04.21
申请号
GBD1229221
申请日期
1968.08.21
申请人
发明人
分类号
C07C45/51;C07C45/67;C11B9/00
主分类号
C07C45/51
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代理人
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地址
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