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经营范围
发明名称
SWITCHING SYSTEM
摘要
申请公布号
AU502036(B2)
申请公布日期
1979.07.12
申请号
AU19760017550
申请日期
1976.09.08
申请人
SPERRY RAND CORP.
发明人
G.A. MCCONNELL
分类号
F16K31/06;H01F7/18;(IPC1-7):H03K17/72
主分类号
F16K31/06
代理机构
代理人
主权项
地址
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