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发明名称
Электрический регулируемый трансформатор
摘要
申请公布号
SU22147(A1)
申请公布日期
1931.08.31
申请号
SU19290058838
申请日期
1929.11.22
申请人
BAMDAS A.M.
发明人
BAMDAS A.M.
分类号
H01F29/10
主分类号
H01F29/10
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