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发明名称
Adjustable compensated standard
摘要
申请公布号
US2430488(A)
申请公布日期
1947.11.11
申请号
US19430500936
申请日期
1943.09.02
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
WILHELM HENRY T.
分类号
G01R17/00
主分类号
G01R17/00
代理机构
代理人
主权项
地址
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