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发明名称
摘要
申请公布号
JPS6423969(U)
申请公布日期
1989.02.08
申请号
JP19870115177U
申请日期
1987.07.28
申请人
发明人
分类号
A47L15/42;A47L15/48;(IPC1-7):A47L15/42
主分类号
A47L15/42
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代理人
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