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Title : 一种双层虹吸结构真空抽吸式地漏

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Title:一种双层虹吸结构真空抽吸式地漏

Affilication of Author(s):材料科学与工程学院

Patent Applicant:cuijianjun,sunxiaoming,wanguiyi

Type of Patent:实用新型

Application Number:201220463202.6

Number of Inventors:3

Service Invention or Not:no

Application Date:2012-09-12

Publication Date:2013-03-13

Authorization Date:2013-03-13

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