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发明名称
Elektrischer Schwingungserzeuger mit abgestimmtem mechanischem Schwingungssystem
摘要
申请公布号
DE655734(C)
申请公布日期
1938.01.21
申请号
DE1932W088957D
申请日期
1932.05.11
申请人
GEORGE WILLIAM WALTON
发明人
分类号
H03B5/30
主分类号
H03B5/30
代理机构
代理人
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