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经营范围
发明名称
A pressure-operated electric switch
摘要
申请公布号
GB421825(A)
申请公布日期
1934.12.31
申请号
GB19330018492
申请日期
1933.06.29
申请人
SYDNEY SMITH & SONS (NOTTINGHAM) LIMITED;ALFRED GEORGE WELLER
发明人
分类号
H01H35/26
主分类号
H01H35/26
代理机构
代理人
主权项
地址
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