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发明名称
摘要
申请公布号
JPS49141180(U)
申请公布日期
1974.12.05
申请号
JP19730038907U
申请日期
1973.03.31
申请人
发明人
分类号
G01N21/27;G02B21/06;(IPC1-7):G02B21/06;G01N21/60
主分类号
G01N21/27
代理机构
代理人
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