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经营范围
发明名称
Optical information processing apparatus
摘要
申请公布号
US4945525(A)
申请公布日期
1990.07.31
申请号
US19880239753
申请日期
1988.09.02
申请人
SHARP KABUSHIKI KAISHA
发明人
YAMAMOTO, OSAMU;YOSHIDA, TOSHIHIKO;YAMAMOTO, SABURO
分类号
G11B7/12;G11B7/135
主分类号
G11B7/12
代理机构
代理人
主权项
地址
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