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发明名称
摘要
申请公布号
JPS636443(U)
申请公布日期
1988.01.16
申请号
JP19860100904U
申请日期
1986.07.01
申请人
发明人
分类号
G03B27/62;G03G15/04;(IPC1-7):G03B27/62
主分类号
G03B27/62
代理机构
代理人
主权项
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