L17-38396-热粘合棉絮用作隔音材料
Detalles
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类号 L17 |
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项目编号 38396 |
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项目名 热粘合棉絮用作隔音材料 |
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项目名(en) Thermally bonded cotton batting used as a sound deadening material |
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COOR √ |
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HARM √ |