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发明名称
Electric coupling system
摘要
申请公布号
US1798962(A)
申请公布日期
1931.03.31
申请号
US19300452464
申请日期
1930.05.14
申请人
HAZELTINE CORPORATION
发明人
TRUBE SARAH M.
分类号
H03J3/06
主分类号
H03J3/06
代理机构
代理人
主权项
地址
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