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经营范围
发明名称
MAGNETIC COPY SYSTEM
摘要
申请公布号
US3571527(A)
申请公布日期
1971.03.16
申请号
USD3571527
申请日期
1968.01.16
申请人
INTERNATIONAL BUSINESS MACHINES CORP.
发明人
FRANK E. BECKER;WALTER F. KLEIN;WILLIAM R. YOUNT
分类号
G06K1/04;(IPC1-7):G11B5/80;G11B5/86
主分类号
G06K1/04
代理机构
代理人
主权项
地址
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