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发明名称
Improvements in or relating to controlling devices for arc appliances with vapour orgas discharge path
摘要
申请公布号
GB417742(A)
申请公布日期
1934.10.11
申请号
GB19330033436
申请日期
1933.11.29
申请人
AKTIENGESELLSCHAFT BROWN, BOVERI & CIE.
发明人
分类号
H02M1/04
主分类号
H02M1/04
代理机构
代理人
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