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发明名称
Magnetic selecting device
摘要
申请公布号
US2948883(A)
申请公布日期
1960.08.09
申请号
US19550510223
申请日期
1955.05.23
申请人
SPERRY RAND CORPORATION
发明人
JR. JOSEPH D. LAWRENCE,
分类号
H03K17/81
主分类号
H03K17/81
代理机构
代理人
主权项
地址
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