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发明名称
V. l. f. radio receiver
摘要
申请公布号
US3137817(A)
申请公布日期
1964.06.16
申请号
US19620209635
申请日期
1962.07.13
申请人
WESTERN GEOPHYSICAL COMPANY OF AMERICA
发明人
SHEFFET DAVID
分类号
H04B1/28
主分类号
H04B1/28
代理机构
代理人
主权项
地址
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