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发明名称
Pressure measuring device
摘要
申请公布号
US1970753(A)
申请公布日期
1934.08.21
申请号
US19310538781
申请日期
1931.05.20
申请人
BAILEY METER COMPANY
发明人
JOHNSON CLARENCE
分类号
G01L7/22
主分类号
G01L7/22
代理机构
代理人
主权项
地址
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