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发明名称
摘要
申请公布号
JPS6216905(U)
申请公布日期
1987.01.31
申请号
JP19850107113U
申请日期
1985.07.12
申请人
发明人
分类号
G02B6/24;(IPC1-7):G02B6/24
主分类号
G02B6/24
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代理人
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地址
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