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发明名称
Pressure-measuring device
摘要
申请公布号
US1796489(A)
申请公布日期
1931.03.17
申请号
US19270205600
申请日期
1927.07.14
申请人
ETTA KUNTZ GEORGIE
发明人
KUNTZ GEORGIE ETTA
分类号
G01L7/02;G01L7/18
主分类号
G01L7/02
代理机构
代理人
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地址
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