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发明名称
Multiple switching systems
摘要
申请公布号
US2691151(A)
申请公布日期
1954.10.05
申请号
US19500163534
申请日期
1950.05.22
申请人
PRODUCTS & LICENSING CORPORATION;NELSON MOORE;WILLIAM D. HALL
发明人
TOULON PIERRE MARIE GABRIEL
分类号
H01H67/26;H04J3/04;H04Q3/52
主分类号
H01H67/26
代理机构
代理人
主权项
地址
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