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发明名称
摘要
申请公布号
JPS61203711(U)
申请公布日期
1986.12.22
申请号
JP19850075590U
申请日期
1985.05.21
申请人
发明人
分类号
G02B6/42;(IPC1-7):G02B6/42
主分类号
G02B6/42
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代理人
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地址
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