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发明名称
摘要
申请公布号
JPH02104086(U)
申请公布日期
1990.08.17
申请号
JP19890013358U
申请日期
1989.02.07
申请人
发明人
分类号
A63B71/14;(IPC1-7):A63B71/14
主分类号
A63B71/14
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