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发明名称
PROJECTION OPTICAL SYSTEM
摘要
申请公布号
JPH05203872(A)
申请公布日期
1993.08.13
申请号
JP19920034181
申请日期
1992.01.24
申请人
CANON INC
发明人
SUGAWARA SABURO
分类号
G02B13/16;G03B21/00
主分类号
G02B13/16
代理机构
代理人
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地址
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