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发明名称
Pressure gauge
摘要
申请公布号
US2299542(A)
申请公布日期
1942.10.20
申请号
US19400313171
申请日期
1940.01.10
申请人
JAS. P. MARSH CORPORATION
发明人
HEDFIELD REYNOLD T.
分类号
G01L7/04
主分类号
G01L7/04
代理机构
代理人
主权项
地址
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