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经营范围
发明名称
Gauge having pivoted elements
摘要
申请公布号
US2601119(A)
申请公布日期
1952.06.17
申请号
US19450615460
申请日期
1945.09.10
申请人
JOHNSON PAUL W
发明人
JOHNSON PAUL W.
分类号
G01B3/48
主分类号
G01B3/48
代理机构
代理人
主权项
地址
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