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发明名称
Connecting means
摘要
申请公布号
US2044974(A)
申请公布日期
1936.06.23
申请号
US19320637719
申请日期
1932.10.14
申请人
DOUGLAS HARRY A
发明人
DOUGLAS HARRY A.
分类号
H01T13/04
主分类号
H01T13/04
代理机构
代理人
主权项
地址
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