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经营范围
发明名称
Elektromagnetischer Wandlerkopf
摘要
申请公布号
CH382222(A)
申请公布日期
1964.09.30
申请号
CH19590072916
申请日期
1959.05.05
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
ROYAL JOHNSON,WAYNE
分类号
G11B5/127;G11B5/49;G11B15/46
主分类号
G11B5/127
代理机构
代理人
主权项
地址
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