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经营范围
发明名称
MAGNETIC RECORDING UNIT
摘要
申请公布号
JPS5521640(A)
申请公布日期
1980.02.15
申请号
JP19780094585
申请日期
1978.08.04
申请人
HITACHI LTD;NIPPON TELEGRAPH & TELEPHONE
发明人
KAGEYAMA AKIRA;SAKOU KAZUNARI;EBINO KAZUO
分类号
H04N5/92;G11B20/02;G11B20/06;H04N5/91
主分类号
H04N5/92
代理机构
代理人
主权项
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