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发明名称
摘要
申请公布号
JPH0415967(U)
申请公布日期
1992.02.10
申请号
JP19900056351U
申请日期
1990.05.29
申请人
发明人
分类号
A63B55/60;A63B71/06;G01C21/00;G01C21/04;(IPC1-7):A63B55/08
主分类号
A63B55/60
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