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发明名称
IMPROVEMENTS IN OR RELATING TO DIRECT CURRENT SUPPLY CIRCUITS FOR MEASURING BRIDGES
摘要
申请公布号
GB1237625(A)
申请公布日期
1971.06.30
申请号
GB19690014480
申请日期
1969.03.19
申请人
CHARBONNAGES DE FRANCE
发明人
分类号
G01N27/16
主分类号
G01N27/16
代理机构
代理人
主权项
地址
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