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经营范围
发明名称
D.C. RESTORING CIRCUITS
摘要
申请公布号
CA816866(A)
申请公布日期
1969.07.01
申请号
CAD816866
申请日期
申请人
CANADIAN MARCONI COMPANY
发明人
RAYMOND L. GREENFIELD
分类号
主分类号
代理机构
代理人
主权项
地址
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