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发明名称
摘要
申请公布号
DD127413(A5)
申请公布日期
1977.09.21
申请号
DD19760194798
申请日期
1976.09.15
申请人
发明人
分类号
C10G47/00;C10G49/24;(IPC1-7):C10G13/00;C10G23/00
主分类号
C10G47/00
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代理人
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