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发明名称
摘要
申请公布号
JPH0613925(Y2)
申请公布日期
1994.04.13
申请号
JP19890070216U
申请日期
1989.06.15
申请人
发明人
分类号
A47K3/28;E04C2/30;E04C2/52;E04H1/12;(IPC1-7):E04C2/30
主分类号
A47K3/28
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