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经营范围
发明名称
Improvements in or relating to electric control circuits
摘要
申请公布号
GB790257(A)
申请公布日期
1958.02.05
申请号
GB19550026387
申请日期
1955.09.15
申请人
SQUARE D COMPANY
发明人
分类号
B23K11/26
主分类号
B23K11/26
代理机构
代理人
主权项
地址
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