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发明名称
摘要
申请公布号
JPS57159740(U)
申请公布日期
1982.10.07
申请号
JP19810047232U
申请日期
1981.03.31
申请人
发明人
分类号
A47B55/00;(IPC1-7):A47B55/00
主分类号
A47B55/00
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代理人
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地址
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