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发明名称
Magnetic recording systems
摘要
申请公布号
US2713676(A)
申请公布日期
1955.07.19
申请号
US19510244367
申请日期
1951.08.30
申请人
MONROE CALCULATING MACHINE COMPANY
发明人
JR. HOWARD M. FLEMING,
分类号
G11B23/00
主分类号
G11B23/00
代理机构
代理人
主权项
地址
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