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种多功能线聚焦太阳能烤炉

Year of Publication 31.07.2018
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Patent
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种太阳能空气压缩机

Year of Publication 22.01.2019
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Patent
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种无碳制铁方法及装置

Year of Publication 24.04.2018
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Patent
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房车下水道净化方法

Year of Publication 09.01.2018
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Patent