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发明名称
ULTRASCHALLWANDLER
摘要
申请公布号
DE3129725(A1)
申请公布日期
1982.03.04
申请号
DE19813129725
申请日期
1981.07.28
申请人
KUREHA KAGAKU KOGYO K.K.
发明人
YOSHIDA,MASAFUMI;OBARA,HOROSHI
分类号
B06B1/06;H04R17/00;(IPC1-7):H04R17/00;H01L41/08
主分类号
B06B1/06
代理机构
代理人
主权项
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