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发明名称
摘要
申请公布号
JPS5940060(Y2)
申请公布日期
1984.11.12
申请号
JP19770176101U
申请日期
1977.12.30
申请人
发明人
分类号
A63B53/00;A63B53/04;(IPC1-7):A63B53/04
主分类号
A63B53/00
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