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发明名称
POWER SUPPLY SYSTEM
摘要
申请公布号
CA370675(A)
申请公布日期
1937.12.21
申请号
CAD370675
申请日期
申请人
THE GENERAL RAILWAY SIGNAL COMPANY
发明人
FRANK X. REES
分类号
主分类号
代理机构
代理人
主权项
地址
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