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经营范围
发明名称
MULTILAYERED MATED-FILM MEMORY ELEMENT HAVING PAIRS OF LAYERS OF DIFFERING HK
摘要
申请公布号
US3480929(A)
申请公布日期
1969.11.25
申请号
USD3480929
申请日期
1967.09.27
申请人
SPERRY RAND CORP.
发明人
ROBERT J. BERGMAN
分类号
G11B5/74;(IPC1-7):G11B5/74
主分类号
G11B5/74
代理机构
代理人
主权项
地址
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