L19-39604-建筑用非金属材料膨胀节
Detalles
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类号 L19 |
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项目编号 39604 |
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项目名 建筑用非金属材料膨胀节 |
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项目名(en) Expansion joints of non-metallic materials for use in construction |
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COOR √ |
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HARM √ |