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发明名称
摘要
申请公布号
JPS649800(U)
申请公布日期
1989.01.19
申请号
JP19870105537U
申请日期
1987.07.08
申请人
发明人
分类号
A63H33/26;B44C5/00;G09B23/06;(IPC1-7):B44C5/00
主分类号
A63H33/26
代理机构
代理人
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