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经营范围
发明名称
Improvements in or relating to air supply and control systems of air-blast circuit-breakers
摘要
申请公布号
GB667724(A)
申请公布日期
1952.03.05
申请号
GB19500007404
申请日期
1950.03.24
申请人
ETABLISSEMENTS MERLIN & GERIN
发明人
分类号
H01H33/32
主分类号
H01H33/32
代理机构
代理人
主权项
地址
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