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发明名称
摘要
申请公布号
JPH01115708(U)
申请公布日期
1989.08.03
申请号
JP19880011813U
申请日期
1988.01.29
申请人
发明人
分类号
G02B6/38;(IPC1-7):G02B6/38
主分类号
G02B6/38
代理机构
代理人
主权项
地址
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