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发明名称
Differential pressure responsive bellows device
摘要
申请公布号
US2752949(A)
申请公布日期
1956.07.03
申请号
US19530376922
申请日期
1953.08.27
申请人
BARTON JONES
发明人
JONES BARTON
分类号
G01F1/38;G01L13/02
主分类号
G01F1/38
代理机构
代理人
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