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经营范围
发明名称
Magnetic recorder utilizing an energizing oscillating circuit
摘要
申请公布号
US2416610(A)
申请公布日期
1947.02.25
申请号
US19420470209
申请日期
1942.12.26
申请人
ARMOUR RESEARCH FOUNDATION
发明人
CAMRAS MARVIN;ZENNER RAYMOND E.
分类号
G11B5/03
主分类号
G11B5/03
代理机构
代理人
主权项
地址
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