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发明名称
摘要
申请公布号
JPS63179831(U)
申请公布日期
1988.11.21
申请号
JP19870070559U
申请日期
1987.05.12
申请人
发明人
分类号
A47B61/00;(IPC1-7):A47B61/00
主分类号
A47B61/00
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代理人
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