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发明名称
摘要
申请公布号
JPS6274212(U)
申请公布日期
1987.05.12
申请号
JP19850164424U
申请日期
1985.10.25
申请人
发明人
分类号
G02B25/02;F21V33/00;G01N21/84;(IPC1-7):G02B25/02
主分类号
G02B25/02
代理机构
代理人
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