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经营范围
发明名称
TRASDUTTORE PERFEZIONATO
摘要
申请公布号
IT1020146(B)
申请公布日期
1977.12.20
申请号
IT19740026546
申请日期
1974.08.23
申请人
IBM CORP
发明人
分类号
G01D5/18;G01R33/09;G11B5/39;(IPC1-7):G11B/
主分类号
G01D5/18
代理机构
代理人
主权项
地址
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