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经营范围
发明名称
Apochromat optical system
摘要
申请公布号
US4955701(A)
申请公布日期
1990.09.11
申请号
US19890345482
申请日期
1989.05.01
申请人
DAINIPPON SCREEN MFG. CO., LTD.
发明人
KATAOKA, YOSHIKAZU;WAKIMOTO, ZENJI;SUGATA, TAKESHI
分类号
G02B13/24;G02B13/14
主分类号
G02B13/24
代理机构
代理人
主权项
地址
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