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发明名称
Oscillographic device
摘要
申请公布号
US2676283(A)
申请公布日期
1954.04.20
申请号
US19510240711
申请日期
1951.08.07
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
BECKING AUGUSTUS GERARD THEODOOR
分类号
G01R13/20
主分类号
G01R13/20
代理机构
代理人
主权项
地址
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