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Book Description paperback. Condition: New. Paperback. Pub Date: 2017-01-01 Pages: 233 Language: Chinese Publisher: China quality press Chinese standard press the typical industry air pollution control equipment evaluation and important technical standards. closely around the twelfth five-year energy conservation and environmental protection national key work demand. aiming at the current environmental protection equipment and products innovation ability evaluation area. Seller Inventory # NI078169