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发明名称
摘要
申请公布号
JPH0284508(U)
申请公布日期
1990.06.29
申请号
JP19880164426U
申请日期
1988.12.21
申请人
发明人
分类号
A44C5/20;A44B11/22;A44C5/18;(IPC1-7):A44B11/22
主分类号
A44C5/20
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代理人
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