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发明名称
摘要
申请公布号
JPS5688213(U)
申请公布日期
1981.07.15
申请号
JP19790170834U
申请日期
1979.12.10
申请人
发明人
分类号
H01B7/18;G02B6/44;(IPC1-7):G02B5/16
主分类号
H01B7/18
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代理人
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