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经营范围
发明名称
Micrometer calipers
摘要
申请公布号
US1821398(A)
申请公布日期
1931.09.01
申请号
US19220583160
申请日期
1922.08.21
申请人
THE L. S. STARRETT COMPANY
发明人
SIMPSON ROBERT J. O.
分类号
G01B3/18
主分类号
G01B3/18
代理机构
代理人
主权项
地址
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