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经营范围
发明名称
NEGATIVE PRESSURE VORTEX NOZZLE
摘要
申请公布号
EP0719375(A4)
申请公布日期
1997.07.23
申请号
EP19940931324
申请日期
1994.10.06
申请人
VORTEXX GROUP, INC.
发明人
DOVE, NORVEL, ROLAND;SMITH, STEPHEN, KELLY;LOTT, W., GERALD
分类号
B05B1/02;E21B7/18;E21B10/60;E21B10/61;(IPC1-7):E21B10/60
主分类号
B05B1/02
代理机构
代理人
主权项
地址
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