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发明名称
Automatic operator
摘要
申请公布号
US2050338(A)
申请公布日期
1936.08.11
申请号
US19290408544
申请日期
1929.11.20
申请人
LOGAN KERR SAMUEL
发明人
KERR SAMUEL LOGAN
分类号
H02J3/08
主分类号
H02J3/08
代理机构
代理人
主权项
地址
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