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发明名称
Differential meter
摘要
申请公布号
US2676146(A)
申请公布日期
1954.04.20
申请号
US19500200586
申请日期
1950.12.13
申请人
UNITED STATES STEEL CORPORATION
发明人
RENDEL GEORGE H.
分类号
G01B7/06
主分类号
G01B7/06
代理机构
代理人
主权项
地址
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