L19-45163-管道用非金属耐火套环
Detalles
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类号 L19 |
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项目编号 45163 |
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项目名 管道用非金属耐火套环 |
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项目名(en) Non-metallic fire resistant collars for pipes |
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项目名(es) Collares ignífugos no metálicos para tuberías |
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SOU (AP) |