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发明名称
摘要
申请公布号
JPS6059213(U)
申请公布日期
1985.04.24
申请号
JP19830150757U
申请日期
1983.09.29
申请人
发明人
分类号
G02B21/26;(IPC1-7):G02B21/26
主分类号
G02B21/26
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