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发明名称
VORRICHTUNG ZUM BETRIEB EINES PIEZOELEKTRISCHEN ULTRASCHALLWANDLERS.
摘要
申请公布号
CH668877(A5)
申请公布日期
1989.01.31
申请号
CH19850000151
申请日期
1985.01.14
申请人
HERBERT GAESSLER
发明人
GAESSLER, HERBERT
分类号
B06B1/02;(IPC1-7):H04R3/00;B06B1/06;B05B17/06
主分类号
B06B1/02
代理机构
代理人
主权项
地址
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