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发明名称
Verfahren zur Erzeugung von Ultraschall-Oberflächenwellen und Vorrichtung zur Durchführung des Verfahrens
摘要
申请公布号
CH327340(A)
申请公布日期
1958.01.31
申请号
CHD327340
申请日期
1954.06.19
申请人
SPERRY PRODUCTS, INC.
发明人
CLINTON SMACK,JOHN;EVERETT VAN VALKENBURG,HOWARD
分类号
G01N29/28
主分类号
G01N29/28
代理机构
代理人
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地址
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