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发明名称
Null balance voltage source
摘要
申请公布号
US3035223(A)
申请公布日期
1962.05.15
申请号
US19600046212
申请日期
1960.07.29
申请人
THE BUDD COMPANY
发明人
SCHANTZ SPENCER C.
分类号
G01R1/20
主分类号
G01R1/20
代理机构
代理人
主权项
地址
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