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发明名称
Magnetic recording techniques
摘要
申请公布号
US3019302(A)
申请公布日期
1962.01.30
申请号
US19580748907
申请日期
1958.07.16
申请人
MOHAWK BUSINESS MACHINES CORPORATION
发明人
WESTERFELD RALPH;MERI KALJU
分类号
G11B5/024
主分类号
G11B5/024
代理机构
代理人
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地址
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