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经营范围
发明名称
Improvements in or relating to current convertors of the mechanical switching type
摘要
申请公布号
GB711829(A)
申请公布日期
1954.07.14
申请号
GB19520008033
申请日期
1952.03.28
申请人
SIEMENS SCHUCKERTWERKE A.G.
发明人
分类号
H02M1/26
主分类号
H02M1/26
代理机构
代理人
主权项
地址
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