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发明名称
TELEPHONE SYSTEMS
摘要
申请公布号
CA588334(A)
申请公布日期
1959.12.08
申请号
CAD588334
申请日期
申请人
SIEMENS BROTHERS AND CO. LIMITED
发明人
BERNARD A. HENSLER
分类号
主分类号
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代理人
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