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发明名称
Improvements in or relating to frequency changers
摘要
申请公布号
GB1009593(A)
申请公布日期
1965.11.10
申请号
GB19640011641
申请日期
1964.03.19
申请人
TELEFUNKEN PATENTVERWERTUNGSGESELLSCHAFT M.B.H.
发明人
分类号
H03B21/02;H03D7/04
主分类号
H03B21/02
代理机构
代理人
主权项
地址
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