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发明名称
摘要
申请公布号
DE2726913(C3)
申请公布日期
1981.07.30
申请号
DE19772726913
申请日期
1977.06.15
申请人
HEWLETT-PACKARD CO., 94304 PALO ALTO, CALIF., US
发明人
HELDT, EARL R., MONTA VISTA, CALIF., US
分类号
G02B6/38;(IPC1-7):G02B7/26
主分类号
G02B6/38
代理机构
代理人
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地址
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