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发明名称
Pruefvorrichtung fuer einen Anzeiger von Rissen in elektrischen Leitern
摘要
申请公布号
DE549687(C)
申请公布日期
1932.04.30
申请号
DED549687D
申请日期
1930.05.20
申请人
SPERRY DEVELOPMENT COMPANY
发明人
分类号
G01N27/83
主分类号
G01N27/83
代理机构
代理人
主权项
地址
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