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经营范围
发明名称
Toolmaker's optical instrument having mounting features and scale graduations
摘要
申请公布号
US2486645(A)
申请公布日期
1949.11.01
申请号
US19450594451
申请日期
1945.05.18
申请人
HAGER EMIL F
发明人
HAGER EMIL F.
分类号
G02B21/00
主分类号
G02B21/00
代理机构
代理人
主权项
地址
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