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发明名称
Verfahren und Vorrichtung zum Pruefen fester Materialien, insbesondere duenner Platten od. dgl., auf Risse oder Spruenge
摘要
申请公布号
DE881266(C)
申请公布日期
1953.06.29
申请号
DE1949P029741
申请日期
1949.01.01
申请人
SPERRY PRODUCTS
发明人
CARLIN BENSON
分类号
B06B3/04;G01B17/00;G01N29/04;G01N29/07;G01N29/22
主分类号
B06B3/04
代理机构
代理人
主权项
地址
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