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发明名称
AMBIENT TEMPERATURE COMPENSATED THERMOCOUPLE VACUUM GAUGE
摘要
申请公布号
US3440884(A)
申请公布日期
1969.04.29
申请号
USD3440884
申请日期
1966.06.03
申请人
NATIONAL RESEARCH CORP.
发明人
PHILIP C. HARVEY
分类号
G01L21/14;(IPC1-7):G01L21/12
主分类号
G01L21/14
代理机构
代理人
主权项
地址
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