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经营范围
发明名称
Projection comparator for objects in relation to spaced drawings or reticles
摘要
申请公布号
US2484103(A)
申请公布日期
1949.10.11
申请号
US19470769573
申请日期
1947.08.20
申请人
JONES & LAMSON MACHINE COMPANY
发明人
LEWIS ROBERT E.
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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