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经营范围
发明名称
Magnetostrictive record and recording apparatus
摘要
申请公布号
US3144520(A)
申请公布日期
1964.08.11
申请号
US19580736311
申请日期
1958.05.19
申请人
SIMON LEVIN
发明人
LEVIN SIMON
分类号
G11B3/64;G11B9/00;G11B11/00;H04N5/78
主分类号
G11B3/64
代理机构
代理人
主权项
地址
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