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发明名称
摘要
申请公布号
JPS57170179(U)
申请公布日期
1982.10.26
申请号
JP19810057523U
申请日期
1981.04.22
申请人
发明人
分类号
G04G9/00;G02F1/133;G02F1/1333;G02F1/1345;G04G17/06;G04G17/08;G09F9/00;H05K9/00;(IPC1-7):G09F9/00
主分类号
G04G9/00
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代理人
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