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经营范围
发明名称
Frequency distinguishing device
摘要
申请公布号
US2598671(A)
申请公布日期
1952.06.03
申请号
US19450622659
申请日期
1945.10.16
申请人
BOOTHBY LAWRENCE W
发明人
BOOTHBY LAWRENCE W.
分类号
H04B1/26
主分类号
H04B1/26
代理机构
代理人
主权项
地址
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