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发明名称
Improvements in electromagnetic switches
摘要
申请公布号
GB633394(A)
申请公布日期
1949.12.12
申请号
GB19470022583
申请日期
1947.08.14
申请人
J. A. CRABTREE & CO. LIMITED;ERNEST BESAG;WALTER EDWARD HILL;THOMAS DANIEL GUY WINTLE
发明人
分类号
H01H50/22
主分类号
H01H50/22
代理机构
代理人
主权项
地址
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