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发明名称
摘要
申请公布号
JPS52124058(U)
申请公布日期
1977.09.21
申请号
JP19760032472U
申请日期
1976.03.17
申请人
发明人
分类号
A47L15/42;D06F39/12;(IPC1-7):A47L15/42
主分类号
A47L15/42
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