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经营范围
发明名称
Differential gauge
摘要
申请公布号
US2083949(A)
申请公布日期
1937.06.15
申请号
US19350034098
申请日期
1935.07.31
申请人
UNITED STATES GAUGE COMPANY
发明人
GRAUEL ERNEST H.
分类号
G01L13/02
主分类号
G01L13/02
代理机构
代理人
主权项
地址
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