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发明名称
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摘要
申请公布号
US2154665(A)
申请公布日期
1939.04.18
申请号
US19360057186
申请日期
1936.01.02
申请人
ELECTRICAL ENGINEERS EQUIPMENT CO.
发明人
CHRISTENSEN CHRISTEN
分类号
H01H31/28
主分类号
H01H31/28
代理机构
代理人
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