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发明名称
Orifice fitting device
摘要
申请公布号
US2688987(A)
申请公布日期
1954.09.14
申请号
US19510239367
申请日期
1951.07.30
申请人
DANIEL ORIFICE FITTING COMPANY
发明人
WHALEN JOHN W.
分类号
G01F1/42
主分类号
G01F1/42
代理机构
代理人
主权项
地址
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