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发明名称
LINSENHALTERUNG FUER EIN LINSENSYSTEM MIT VERAENDERLICHER BRENNWEITE
摘要
申请公布号
DE2933829(A1)
申请公布日期
1980.03.06
申请号
DE19792933829
申请日期
1979.08.21
申请人
CANON K.K.
发明人
KAMATA,SHIGERU
分类号
G02B7/04;G02B7/10;(IPC1-7):G02B7/04
主分类号
G02B7/04
代理机构
代理人
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