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皖維高新PVA樹脂升級改造項目原料罐區空壓站冷凍站裝置循環水系統閥門類采購 、皖維高新6萬噸/年乙烯法特種聚乙烯醇樹脂升級改造項目VAC裝置管件及法蘭采購 招標招標信息發布
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皖維高新PVA樹脂升級改造項目原料罐區空壓站冷凍站裝置循環水系統閥門類采購

http://www.ahtba.org.cn/site/trade/affiche/detail/7887eb21-34ff-11ee-af84-00163e0cccfc

皖維高新6萬噸/年乙烯法特種聚乙烯醇樹脂升級改造項目VAC裝置管件及法蘭采購

http://www.ahtba.org.cn/site/trade/affiche/detail/778a9006-34f9-11ee-af84-00163e0cccfc

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