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发明名称
Improvements in or relating to recording systems
摘要
申请公布号
GB891872(A)
申请公布日期
1962.03.21
申请号
GB19600043854
申请日期
1960.12.21
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G06F3/00;G06F11/32;G11C7/02
主分类号
G06F3/00
代理机构
代理人
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