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发明名称
摘要
申请公布号
JPH03107068(U)
申请公布日期
1991.11.05
申请号
JP19900016739U
申请日期
1990.02.20
申请人
发明人
分类号
A47L23/20;A61L9/18;(IPC1-7):A47L23/20
主分类号
A47L23/20
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代理人
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