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经营范围
发明名称
Lens focusing and adjusting device
摘要
申请公布号
US2493463(A)
申请公布日期
1950.01.03
申请号
US19460697024
申请日期
1946.09.14
申请人
AMPRO CORPORATION
发明人
MORGAN THOMAS J.;HAZZARD GEORGE P.
分类号
G03B19/18
主分类号
G03B19/18
代理机构
代理人
主权项
地址
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