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发明名称
摘要
申请公布号
DE2208480(A1)
申请公布日期
1972.09.28
申请号
DE19722208480
申请日期
1972.02.23
申请人
PHILIPS NV
发明人
分类号
G01B7/04;G11B5/48;G11B27/10;G11B27/28;(IPC1-7):G11B27/14
主分类号
G01B7/04
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