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发明名称
摘要
申请公布号
FR2079014(A5)
申请公布日期
1971.11.05
申请号
FR19710006294
申请日期
1971.02.24
申请人
SPERRY RAND
发明人
分类号
G02B5/18;G02F1/09;(IPC1-7):G02F1/00;H01V9/00
主分类号
G02B5/18
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