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发明名称
Verfahren und Vorrichtung zum Feststellen von Loechern oder poroesen Stellen in Baendern, z. B. in solchen aus Blech
摘要
申请公布号
DE569317(C)
申请公布日期
1933.02.01
申请号
DE1932B153987D
申请日期
1932.01.19
申请人
GERTRUD BOIE
发明人
分类号
G01N21/89
主分类号
G01N21/89
代理机构
代理人
主权项
地址
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