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发明名称
REGULATING, CONTROLLING AND SWITCHING MEANS FOR ELECTRICAL TRAIN-LIGHTING INSTALLATIONS
摘要
申请公布号
CA304277(A)
申请公布日期
1930.09.23
申请号
CAD304277
申请日期
申请人
J. STONE AND COMPANY LIMITED
发明人
ALFRED EDWARD HONEY
分类号
主分类号
代理机构
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