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发明名称
ULTRASCHALL-IMPULSGERAET ZUR WERKSTOFFPRUEFUNG NACH DEM SCHALLSCHATTEN- VERFAHREN
摘要
申请公布号
DE2502141(B2)
申请公布日期
1977.07.21
申请号
DE19752502141
申请日期
1975.01.21
申请人
发明人
分类号
G01N29/07;(IPC1-7):G01N29/00;G01N33/38
主分类号
G01N29/07
代理机构
代理人
主权项
地址
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