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发明名称
Pressure testing device
摘要
申请公布号
US2167449(A)
申请公布日期
1939.07.25
申请号
US19380197667
申请日期
1938.03.23
申请人
GANSER MONTGOMERY L
发明人
GANSER MONTGOMERY L.
分类号
G01L7/18
主分类号
G01L7/18
代理机构
代理人
主权项
地址
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