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发明名称
Phase converter
摘要
申请公布号
US2748338(A)
申请公布日期
1956.05.29
申请号
US19500188793
申请日期
1950.10.06
申请人
WILLIAMSON JAMES W
发明人
WILLIAMSON JAMES W.
分类号
H01F30/14
主分类号
H01F30/14
代理机构
代理人
主权项
地址
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