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经营范围
发明名称
Dispositif d'étranglement du genre du tube de venturi
摘要
申请公布号
FR1101446(A)
申请公布日期
1955.10.06
申请号
FRD1101446
申请日期
1954.05.29
申请人
BOPP & REUTHER G. M. B. H.
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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