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经营范围
发明名称
MAGNETIC HEAD CORE
摘要
申请公布号
JPS53107813(A)
申请公布日期
1978.09.20
申请号
JP19770021542
申请日期
1977.03.02
申请人
HITACHI LTD
发明人
SHIIKI KAZUO;KUMASAKA TAKAYUKI;KUDOU SANEHIRO;FUJIWARA HIDEO
分类号
G11B5/127;G11B5/147;G11B5/187;G11B5/23
主分类号
G11B5/127
代理机构
代理人
主权项
地址
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