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发明名称
A VARIABLE SIZE CIRCULAR APERTURE CAMERA
摘要
申请公布号
EP0149016(B1)
申请公布日期
1988.02.24
申请号
EP19840112185
申请日期
1984.10.11
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
DEIGHTON, GUY ALVIN;MOORE, GERRY WILLIAM
分类号
G03F7/20;H05K3/00;(IPC1-7):G03B41/00
主分类号
G03F7/20
代理机构
代理人
主权项
地址
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