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Gas Shutoff Valve

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One important problem is utilization of technical hydrolytic lignin (the waste formed in paper-and-pulp and hydrolysis industry). For a practical implementation. the essential task of transforming insoluble hydrolytic lignin into low molecular weight products with high degree of functionalization should be performed. In prospect. https://allfixelectricales.shop/product-category/gas-shutoff-valve/
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