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发明名称
Ballast resistance tube
摘要
申请公布号
US2293045(A)
申请公布日期
1942.08.18
申请号
US19370172917
申请日期
1937.11.05
申请人
RAYTHEON PRODUCTION CORPORATION
发明人
CROWELL ROBERT I.
分类号
H02H9/00
主分类号
H02H9/00
代理机构
代理人
主权项
地址
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