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发明名称
摘要
申请公布号
JPS56116094(U)
申请公布日期
1981.09.05
申请号
JP19800013172U
申请日期
1980.02.05
申请人
发明人
分类号
G09B19/10;A63H33/00;(IPC1-7):A63H33/00
主分类号
G09B19/10
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