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经营范围
发明名称
Improvements in or relating to electric switches of the tumbler or key type
摘要
申请公布号
GB624508(A)
申请公布日期
1949.06.10
申请号
GB19460021198
申请日期
1946.07.15
申请人
WILLIAM EDWARD O'SHEI
发明人
分类号
H01H21/02
主分类号
H01H21/02
代理机构
代理人
主权项
地址
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