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经营范围
发明名称
DEVICE FOR DEMAGNETIZATION OF RING PARTS
摘要
申请公布号
SU1495861(A1)
申请公布日期
1989.07.23
申请号
SU19874292047
申请日期
1987.07.03
申请人
PROEKTNO-KONSTRUKTORSKO-TEKHNOLOGICHESKOE BYURO PO VAGONAM
发明人
POLUEKTOV YURIJ M,SU;ZAIKIN YURIJ I,SU;ZHUKOVA VALENTINA P,SU
分类号
H01F13/00
主分类号
H01F13/00
代理机构
代理人
主权项
地址
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