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发明名称
摘要
申请公布号
NL7202655(A)
申请公布日期
1972.09.15
申请号
NL19720002655
申请日期
1972.03.01
申请人
发明人
分类号
G11B5/48;G11B5/55;G11B17/028;G11B23/02;G11B23/50;H02K41/035;(IPC1-7):G11B21/08;H02K41/00
主分类号
G11B5/48
代理机构
代理人
主权项
地址
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