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发明名称
Measurement of pressure differentials
摘要
申请公布号
US1869400(A)
申请公布日期
1932.08.02
申请号
US19300460654
申请日期
1930.06.12
申请人
UNDERWOOD CLARENCE A
发明人
UNDERWOOD CLARENCE A.
分类号
G01F23/16
主分类号
G01F23/16
代理机构
代理人
主权项
地址
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