sponges obtained from products of polyurethane foam, properties corresponding to those of sponges, and their manufacture

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• 2. 制造具有可附着海绵饰面的可充气产品的方法 [P] . 中国专利： CN111372761A . 2020-07-03
• 3. A manufacturing method of sponge made from polyurethane foam containing silver nano particles and A sponge formed therefrom [P] . 韩国专利： KR100674643B1 . 2007-01-29

  机译： 由包含银纳米粒子的聚氨酯泡沫制成的海绵的制造方法以及由其形成的海绵

• 4. A MANUFACTURING METHOD OF SPONGE MADE FROM POLYURETHANE FOAM CONTAINING SILVER NANO PARTICLES AND A SPONGE FORMED THEREFROM [P] . 韩国专利： KR20060093261A . 2006-08-24

  机译： 一种由含银纳米颗粒的聚氨酯泡沫制成的海绵的制造方法及由其制成的海绵

• 5. A method for the production of sponges with improved properties of polyurethane foams [P] . 德国专利： DE1017783B . 1957-10-17

  机译： 一种生产具有改善的聚氨酯泡沫性能的海绵的方法

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• 8. A Prospective Double-Blinded Randomized Controlled Study Comparing the Efficacy of a Novel Biodegradable Synthetic Polyurethane Foam (Nasopore) vs Standard Polyvinyl Acetate Sponge (Merocel) as Packing Material after Functional Endoscopic Sinus Surgery: The First Indian Experience [O] . Mohan Kameswaran, S Raghunandhan, John K Thomas 2014
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• 1. Energy Audit Methodology of Sponge Iron Manufacturing Units Using DRI Process [J] . Avijit Choudhury . 能源效率（英文） . 2014,第3期
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• 3. 海绵窦显微解剖与海绵窦海绵状血管瘤的显微手术治疗 [A] . 窦以河 . 2008