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经营范围
发明名称
OPTICAL RETRIEVING SYSTEM
摘要
申请公布号
GB8403232(D0)
申请公布日期
1984.03.14
申请号
GB19840003232
申请日期
1984.02.07
申请人
FUTAGAWA, T
发明人
分类号
G03B27/32;G02B6/42;G03B21/11;(IPC1-7):G02B27/17
主分类号
G03B27/32
代理机构
代理人
主权项
地址
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