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Speedy electric plug

by GAO JIONG
Year of Publication 07.01.2015
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Patent

Equipment straw brick

by GAO JIONG
Year of Publication 21.09.2018
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Patent

Straw brick

by GAO JIONG
Year of Publication 20.07.2018
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Patent

Straw wall

by GAO JIONG
Year of Publication 25.05.2018
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Patent