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发明名称
ELECTRICAL INSTRUMENT
摘要
申请公布号
CA521621(A)
申请公布日期
1956.02.07
申请号
CAD521621
申请日期
申请人
WESTON ELECTRICAL INSTRUMENT CORPORATION
发明人
THOMAS P. SHEEHAN
分类号
主分类号
代理机构
代理人
主权项
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