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经营范围
发明名称
GYROSCOPIC LENS
摘要
申请公布号
US3434771(A)
申请公布日期
1969.03.25
申请号
USD3434771
申请日期
1966.05.11
申请人
BELL & HOWELL CO.
发明人
LUIS W. ALVAREZ
分类号
G02B27/64;(IPC1-7):G02B23/02
主分类号
G02B27/64
代理机构
代理人
主权项
地址
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