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发明名称
摘要
申请公布号
JPS52161876(U)
申请公布日期
1977.12.08
申请号
JP19760070182U
申请日期
1976.05.31
申请人
发明人
分类号
A47L9/12;A47L9/20;(IPC1-7):A47L9/12
主分类号
A47L9/12
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