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发明名称
Electric safety wall box
摘要
申请公布号
US2590391(A)
申请公布日期
1952.03.25
申请号
US19480044057
申请日期
1948.08.13
申请人
ELMORE FRANK R
发明人
ELMORE FRANK R.
分类号
H02G3/12
主分类号
H02G3/12
代理机构
代理人
主权项
地址
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