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经营范围
发明名称
摘要
<p>PURPOSE:In a servo-system of VTR, the most optimum tracking status shall be able to be obtained at all times.</p>
申请公布号
JPS5631664(B2)
申请公布日期
1981.07.22
申请号
JP19750104380
申请日期
1975.08.27
申请人
发明人
分类号
H04N5/7826;G05D13/00;G05D13/62;G11B5/52;G11B15/46;G11B15/467;G11B21/04;H04N5/78
主分类号
H04N5/7826
代理机构
代理人
主权项
地址
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