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发明名称
Pressure leakage gauge
摘要
申请公布号
US2212466(A)
申请公布日期
1940.08.20
申请号
US19380224987
申请日期
1938.08.15
申请人
BRADFORD ROBERT L
发明人
BRADFORD ROBERT L.
分类号
G01L23/00;G01L23/02
主分类号
G01L23/00
代理机构
代理人
主权项
地址
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