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发明名称
Beam positioning system
摘要
申请公布号
US2855540(A)
申请公布日期
1958.10.07
申请号
US19560581073
申请日期
1956.04.27
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
JR. CHARLES W. HOOVER,;KETCHLEDGE RAYMOND W.
分类号
G11C11/23;G11C13/04;H03M1/00;H04B14/04
主分类号
G11C11/23
代理机构
代理人
主权项
地址
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