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经营范围
发明名称
Self-balancing d. c. bolometer bridge
摘要
申请公布号
US2997652(A)
申请公布日期
1961.08.22
申请号
US19580747106
申请日期
1958.07.07
申请人
ENGEN GLENN F
发明人
ENGEN GLENN F.
分类号
G01R21/00
主分类号
G01R21/00
代理机构
代理人
主权项
地址
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