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发明名称
Short wave tuning device
摘要
申请公布号
US1936671(A)
申请公布日期
1933.11.28
申请号
US19310506367
申请日期
1931.01.03
申请人
HURT ARTHUR J
发明人
HURT ARTHUR J.
分类号
H01F21/00
主分类号
H01F21/00
代理机构
代理人
主权项
地址
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