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一种用页岩陶粒作基质填料的人工湿地

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Affilication of Author(s):环境研究院

Patent Applicant:Helen

Type of Patent:实用新型

Application Number:201320741567.5

Number of Inventors:1

Service Invention or Not:no

Application Date:2013-11-22

Publication Date:2014-04-30

Authorization Date:2014-04-30

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