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发明名称
Einrichtung zur Erzielung einer konstanten Schwebungsfrequenz
摘要
申请公布号
DE564335(C)
申请公布日期
1932.11.17
申请号
DE1929S093810D
申请日期
1929.09.07
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
HAGENHAUS DIPL.-ING. KURT
分类号
H03B21/01
主分类号
H03B21/01
代理机构
代理人
主权项
地址
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