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发明名称
摘要
申请公布号
JPS5421972(U)
申请公布日期
1979.02.13
申请号
JP19770094709U
申请日期
1977.07.15
申请人
发明人
分类号
A47L9/10;A47L9/20;(IPC1-7):A47L9/20
主分类号
A47L9/10
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代理人
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