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经营范围
发明名称
Improvements in or relating to gauging or measuring instruments
摘要
申请公布号
GB584737(A)
申请公布日期
1947.01.22
申请号
GB19440004212
申请日期
1944.03.07
申请人
JOHN EDWARD SEARS
发明人
分类号
G01B5/20
主分类号
G01B5/20
代理机构
代理人
主权项
地址
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