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发明名称
Optical comparison gauge
摘要
申请公布号
US2630631(A)
申请公布日期
1953.03.10
申请号
US19490108458
申请日期
1949.08.04
申请人
THE JOURNAL COMPANY
发明人
MCMULLEN JOSEPH E.
分类号
G01B9/00
主分类号
G01B9/00
代理机构
代理人
主权项
地址
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