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摘要
申请公布号
JPS523912(U)
申请公布日期
1977.01.12
申请号
JP19750087171U
申请日期
1975.06.23
申请人
发明人
分类号
A47C3/22;A47C3/20;A47C3/28;(IPC1-7):A47C3/20
主分类号
A47C3/22
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