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经营范围
发明名称
TRACKING DEVICE
摘要
申请公布号
GB2073452(A)
申请公布日期
1981.10.14
申请号
GB19810009824
申请日期
1981.03.30
申请人
PHILIPS NV
发明人
分类号
G05D3/12;G11B7/09;G11B21/10;(IPC1-7):G11B21/10
主分类号
G05D3/12
代理机构
代理人
主权项
地址
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