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发明名称
摘要
申请公布号
JPS57131130(U)
申请公布日期
1982.08.16
申请号
JP19810016753U
申请日期
1981.02.10
申请人
发明人
分类号
A47B37/00;A47B31/02;(IPC1-7):A47B31/02
主分类号
A47B37/00
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