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发明名称
Electrode and contact element
摘要
申请公布号
US1769229(A)
申请公布日期
1930.07.01
申请号
US19250031458
申请日期
1925.05.19
申请人
MANDELL AMBROSE J
发明人
MANDELL AMBROSE J.
分类号
H01H1/021
主分类号
H01H1/021
代理机构
代理人
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地址
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