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发明名称
ELECTROMAGNETICALLY DRIVEN EXPOSURE ADJUSTING DEVICE
摘要
申请公布号
JPH01101526(A)
申请公布日期
1989.04.19
申请号
JP19870259103
申请日期
1987.10.14
申请人
CANON INC;CANON ELECTRON INC
发明人
YAMAMOTO HIROSHI;ARAI TADASHI;KUROSAWA AKIRA
分类号
G03B9/02
主分类号
G03B9/02
代理机构
代理人
主权项
地址
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