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发明名称
Electromechanical toy
摘要
申请公布号
US2570766(A)
申请公布日期
1951.10.09
申请号
US19500169274
申请日期
1950.06.20
申请人
CALVIN A. WYGAL;DAISY C. WYGAL
发明人
CHENAULT ROY L.
分类号
H02K7/065
主分类号
H02K7/065
代理机构
代理人
主权项
地址
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