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发明名称
摘要
申请公布号
JPS61167620(U)
申请公布日期
1986.10.17
申请号
JP19850050818U
申请日期
1985.04.05
申请人
发明人
分类号
G02B27/00;G01B9/08;(IPC1-7):G02B27/00
主分类号
G02B27/00
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