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发明名称
摘要
申请公布号
SU362096(A1)
申请公布日期
1972.12.13
申请号
SU19711697219
申请日期
1971.09.08
申请人
发明人
分类号
D06C27/00;(IPC1-7):D06C27/00
主分类号
D06C27/00
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代理人
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