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发明名称
Appareil électro-hydraulique pour détecter une différence de pression
摘要
申请公布号
FR1408019(A)
申请公布日期
1965.08.06
申请号
FR19640988329
申请日期
1964.09.16
申请人
CALUMET & HECLA, INC.
发明人
分类号
G01M3/28
主分类号
G01M3/28
代理机构
代理人
主权项
地址
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