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经营范围
发明名称
Ultraschallgeber
摘要
申请公布号
DE1218314(B)
申请公布日期
1966.06.02
申请号
DE1957Z009571
申请日期
1957.04.12
申请人
ZENITH RADIO CORPORATION
发明人
ADLER ROBERT;EHLERS ROBERT C.;WANDREY CLARENCE W.
分类号
H03H9/05
主分类号
H03H9/05
代理机构
代理人
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