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叶建华

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一种折叠式便携脱谷机(发明)

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Affilication of Author(s):机械与汽车工程学院

Patent Coverage:国内

First Author:叶建华

Type of Patent:发明专利

State of Patent:专利授权

Application Number:201310598447.9

Authorization number:1756119

Number of Inventors:1

Service Invention or Not:yes

Application Date:2013-11-22

Publication Date:2015-08-12

Authorization Date:2015-08-12

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