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经营范围
发明名称
Ring circuit
摘要
申请公布号
US2516146(A)
申请公布日期
1950.07.25
申请号
US19450599943
申请日期
1945.06.16
申请人
PRUGH THOMAS A
发明人
PRUGH THOMAS A.
分类号
G06F9/32;H03K23/82
主分类号
G06F9/32
代理机构
代理人
主权项
地址
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