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Patent Searching and Data


Title:
SOIL VENTILATING MEANS AND SUBTERRANEAN POLLUTANT TREATMENT SYSTEM
Document Type and Number:
WIPO Patent Application WO/2010/045883
Kind Code:
A1
Abstract:
A soil ventilating means includes a gas-tight chamber(1). Said chamber(1) comprises an inlet(701) and an outlet(702) with a check valve(60) provided on either of them. A subterranean pollutant treatment system includes one or more soil ventilating means for pumping pollutant from the soil and one or more soil ventilating means for supplying air to soil.

Inventors:
CHEN, Youzhi (Crescent Way, Apt.1116San Francisco, CA, CA, US)
Application Number:
CN2009/074594
Publication Date:
April 29, 2010
Filing Date:
October 23, 2009
Export Citation:
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Assignee:
CHEN, Youzhi (Crescent Way, Apt.1116San Francisco, CA, CA, US)
International Classes:
B09C1/06; F16K15/20
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (F16Block A, Corporate SquareNo.35 Jinrong Street, Beijing 0, 100140, CN)
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