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发明名称
摘要
申请公布号
DD123760(A5)
申请公布日期
1977.01.12
申请号
DD19760190829
申请日期
1976.01.15
申请人
发明人
分类号
D21C1/00;D21B1/02;(IPC1-7):D21B1/04
主分类号
D21C1/00
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代理人
主权项
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