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发明名称
摘要
申请公布号
CS173008(B1)
申请公布日期
1977.02.28
申请号
CS19660002927
申请日期
1966.05.02
申请人
发明人
分类号
A44B13/00;(IPC1-7):A44B13/00
主分类号
A44B13/00
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代理人
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