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发明名称
Dispositif pour engendrer une pression différentielle dans une canalisation
摘要
申请公布号
FR1524688(A)
申请公布日期
1968.05.10
申请号
FR19670108060
申请日期
1967.05.26
申请人
JOHN ZINK COMPANY
发明人
分类号
G01F1/44
主分类号
G01F1/44
代理机构
代理人
主权项
地址
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