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发明名称
摘要
申请公布号
JPS5447457(U)
申请公布日期
1979.04.02
申请号
JP19770120603U
申请日期
1977.09.09
申请人
发明人
分类号
G02B5/08;G02B5/00;G02B5/28;G02B6/28;G02B6/293;G02B27/10;H01P1/20;(IPC1-7):G02B5/00
主分类号
G02B5/08
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代理人
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地址
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