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经营范围
发明名称
Electronic switching
摘要
申请公布号
US2688661(A)
申请公布日期
1954.09.07
申请号
US19500204654
申请日期
1950.01.06
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
MIERLO STANISLAS VAN
分类号
H03K17/52;H03K17/74;H04Q11/04
主分类号
H03K17/52
代理机构
代理人
主权项
地址
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