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发明名称
Protective system for measuring instruments
摘要
申请公布号
US2671874(A)
申请公布日期
1954.03.09
申请号
US19500202472
申请日期
1950.12.23
申请人
COMPAGNIE GENERALE DE METROLOGIE
发明人
FRIEDRICHS GEORGES
分类号
G01R1/36
主分类号
G01R1/36
代理机构
代理人
主权项
地址
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