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发明名称
Improvements in frequency conversion adapters, converters and the like
摘要
申请公布号
GB703395(A)
申请公布日期
1954.02.03
申请号
GB19500003536
申请日期
1950.02.11
申请人
ANTHONY ALOYSIUS JOSEPH CROWNE
发明人
分类号
H03D7/10
主分类号
H03D7/10
代理机构
代理人
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地址
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