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专利详情
Improvements in or relating to magnetic reproducing apparatus
申请公布号:
GB875694(A)
申请号:
GB19580022290
申请日期:
1958.07.11
申请公布日期:
1961.08.23
申请人:
INTERNATIONAL BUSINESS MACHINES CORPORATION
分类号:
G06F11/16;G06F11/20;G11B5/00;G11B20/18
主分类号:
G06F11/16
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