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发明名称
Electric coil
摘要
申请公布号
US1813591(A)
申请公布日期
1931.07.07
申请号
US19280274191
申请日期
1928.05.01
申请人
WESTINGHOUSE LAMP COMPANY
发明人
ULREY CLAYTON TRIDLE
分类号
H01J9/385
主分类号
H01J9/385
代理机构
代理人
主权项
地址
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