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发明名称
摘要
申请公布号
JPS6417269(U)
申请公布日期
1989.01.27
申请号
JP19870110334U
申请日期
1987.07.18
申请人
发明人
分类号
A63B51/02;(IPC1-7):A63B51/02
主分类号
A63B51/02
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