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发明名称
摘要
申请公布号
JPS52112171(U)
申请公布日期
1977.08.25
申请号
JP19760019848U
申请日期
1976.02.20
申请人
发明人
分类号
A47L9/00;A47L5/00;A47L9/26;A47L9/28;(IPC1-7):A47L9/26
主分类号
A47L9/00
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