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经营范围
发明名称
Magnetic impulse record carriers
摘要
申请公布号
GB799912(A)
申请公布日期
1958.08.13
申请号
GB19560021020
申请日期
1956.07.06
申请人
AGFA AKTIENGESELLSCHAFT
发明人
分类号
G11B5/716
主分类号
G11B5/716
代理机构
代理人
主权项
地址
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