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发明名称
摘要
申请公布号
DE2247446(C3)
申请公布日期
1978.03.09
申请号
DE19722247446
申请日期
1972.09.27
申请人
PHILIPS PATENTVERWALTUNG GMBH, 2000 HAMBURG
发明人
FREITER, GERHARD, 1000 BERLIN
分类号
G11B3/30;(IPC1-7):G11B3/10
主分类号
G11B3/30
代理机构
代理人
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