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经营范围
发明名称
Improvements in or relating to electrical switching devices for alternating current circuits
摘要
申请公布号
GB565996(A)
申请公布日期
1944.12.07
申请号
GB19430008901
申请日期
1943.06.03
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED;PHILIP NORTON ROSEBY;HERBERT JAMES MCMATH
发明人
分类号
H01H9/56
主分类号
H01H9/56
代理机构
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