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发明名称
Switching device
摘要
申请公布号
US3103650(A)
申请公布日期
1963.09.10
申请号
US19590798548
申请日期
1959.03.10
申请人
SPERRY RAND CORPORATION
发明人
JR. ARTHUR J. GEHRING,;STOWE LLOYD WESLEY
分类号
G11B5/004
主分类号
G11B5/004
代理机构
代理人
主权项
地址
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