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经营范围
发明名称
Programmable shutter
摘要
申请公布号
US5006880(A)
申请公布日期
1991.04.09
申请号
US19890342660
申请日期
1989.04.24
申请人
SEIKOSHA CO., LTD.
发明人
OGIHARA, MASUO;ODA, HAJIME;SEKI, YOICHI;YAMAZAKI, HIROSHI
分类号
G03B7/087;G03B7/091;G03B7/097;G03B9/24;G03B9/40
主分类号
G03B7/087
代理机构
代理人
主权项
地址
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