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经营范围
发明名称
Ferromagnetisches,magnetooptisches Material
摘要
申请公布号
DE1796083(A1)
申请公布日期
1972.03.02
申请号
DE19681796083
申请日期
1968.08.07
申请人
INTERNATIONAL BUSINESS MACHINES CORP.
发明人
HOLTZBERG,FREDERIC;WALBERT SHAFER,MERRILL
分类号
G03G5/16;G11C13/06;H01F1/03
主分类号
G03G5/16
代理机构
代理人
主权项
地址
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