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发明名称
NEEDLE-TYPE MAGNETIC PARTICLES OF MAGNETIC RECORD CARRIER
摘要
申请公布号
SU1219249(A1)
申请公布日期
1986.03.23
申请号
SU19843802665
申请日期
1984.10.12
申请人
SHOSTKINSKIJ VGNI PI KHIMIKO-FOTOGRAFICHESKOJ PROMYSHLENNOSTI
发明人
KOSTOVA NELLI Z,SU;DYACHENKO VERA S,SU;IVANCHENKO RAISA I,SU;MORGAL ANNA D,SU;KHRYAPINA LYUDMILA YU,SU
分类号
B22F1/02;G11B5/68;H01F1/33;(IPC1-7):B22F1/02
主分类号
B22F1/02
代理机构
代理人
主权项
地址
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