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发明名称
摘要
申请公布号
JPH0212899(U)
申请公布日期
1990.01.26
申请号
JP19880091662U
申请日期
1988.07.11
申请人
发明人
分类号
G09B11/10;A63H33/00;B44C1/28;G09B19/10;(IPC1-7):B44C1/28
主分类号
G09B11/10
代理机构
代理人
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