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发明名称
RESISTANCE STANDARD
摘要
申请公布号
US3609537(A)
申请公布日期
1971.09.28
申请号
USD3609537
申请日期
1969.04.01
申请人
INTERNATIONAL BUSINESS MACHINES CORP.
发明人
ALBERT M. HEALY;DONALD M. KENNEY
分类号
G01N27/04;G01R25/00;(IPC1-7):G01R27/14;G01R1/02
主分类号
G01N27/04
代理机构
代理人
主权项
地址
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