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发明名称
摘要
申请公布号
JPH064343(Y2)
申请公布日期
1994.02.02
申请号
JP19880029153U
申请日期
1988.03.07
申请人
发明人
分类号
G03B27/46;G03B27/72;(IPC1-7):G03B27/72
主分类号
G03B27/46
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代理人
主权项
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