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发明名称
Электромагнитный токопрерыватель для преобразования переменного тока в электротерапевтических приборах
摘要
申请公布号
SU20226(A1)
申请公布日期
1931.04.30
申请号
SU19290053132
申请日期
1929.08.19
申请人
IVANOV I.I.
发明人
IVANOV I.I.
分类号
A61N1/02
主分类号
A61N1/02
代理机构
代理人
主权项
地址
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