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发明名称
摘要
申请公布号
FR2089594(A5)
申请公布日期
1972.01.07
申请号
FR19710013025
申请日期
1971.04.06
申请人
IBM
发明人
分类号
C03C3/089;G02B6/10;G02B6/12;G02B6/43;G02F3/00;H03F17/00;(IPC1-7):G02F2/00;G11C11/00;G02F7/00
主分类号
C03C3/089
代理机构
代理人
主权项
地址
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