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经营范围
发明名称
Improvements in or relating to arc-quenching chambers for electric switches
摘要
申请公布号
GB739735(A)
申请公布日期
1955.11.02
申请号
GB19530022624
申请日期
1953.08.17
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
分类号
C07F9/12;H01H9/36
主分类号
C07F9/12
代理机构
代理人
主权项
地址
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