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发明名称
Dual range dial
摘要
申请公布号
US2739303(A)
申请公布日期
1956.03.20
申请号
US19550486248
申请日期
1955.02.04
申请人
AIRCRAFT RADIO CORPORATION
发明人
ERICKSON LARS E.
分类号
H03J1/04
主分类号
H03J1/04
代理机构
代理人
主权项
地址
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