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发明名称
Electric control circuit
摘要
申请公布号
US2271223(A)
申请公布日期
1942.01.27
申请号
US19400316788
申请日期
1940.02.01
申请人
GENERAL ELECTRIC COMPANY
发明人
EDWARDS MARTIN A.
分类号
B23K11/25
主分类号
B23K11/25
代理机构
代理人
主权项
地址
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