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发明名称
Einrichtung zum Erzeugen mechanischer Ultraschallschwingungen
摘要
申请公布号
DE861337(C)
申请公布日期
1952.12.29
申请号
DE1940S006012D
申请日期
1940.10.08
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
PFRANG HANS DR. PHIL.
分类号
G10K7/02
主分类号
G10K7/02
代理机构
代理人
主权项
地址
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