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经营范围
发明名称
Dispositif de sélection magnétique
摘要
申请公布号
FR1177243(A)
申请公布日期
1959.04.22
申请号
FRD1177243
申请日期
1957.06.11
申请人
SPERRY RAND CORPORATION
发明人
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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