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发明名称
摘要
申请公布号
SU455951(A1)
申请公布日期
1975.01.05
申请号
SU19721782091
申请日期
1972.05.11
申请人
发明人
分类号
(IPC1-7):C07C121/30
主分类号
(IPC1-7):C07C121/30
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代理人
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地址
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