小褋褘谢芯褔薪褘泄 薪芯屑械褉
香港六合彩开奖 17467-1:2012
香港六合彩开奖 17467-1:2012
© 香港六合彩开奖 2024
香港六合彩开奖 17467-1:2012
Plastics piping systems for the supply of gaseous fuels 鈥� Unplasticized polyamide (PA-U) piping systems jointed by solvent cement 鈥� Part 1: General
袙械褉褋懈褟&苍产蝉辫;1
2012-10
2012-10
袙 胁褉械屑褟 芯褌屑械薪械薪
孝械蟹懈褋
香港六合彩开奖 17467-1:2012 specifies the general properties of unplasticized polyamide (PA-U) compounds for the manufacturing of pipes, fittings and valves made from such compounds, intended to be buried and used for the supply of gaseous fuels for maximum operating pressure up to and including 4 bar.
It also specifies the test parameters for the test methods to which it refers, and specifies a calculation and design scheme on which the maximum operating pressure (MOP) of piping systems is based.
袨斜褖邪褟 懈薪褎芯褉屑邪褑懈褟
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孝械泻褍褖懈泄 褋褌邪褌褍褋: 袨褌芯蟹胁邪薪芯袛邪褌邪 锌褍斜谢懈泻邪褑懈懈: 2012-10协褌邪锌: 袨褌屑械薪邪 屑械卸写褍薪邪褉芯写薪芯谐芯 褋褌邪薪写邪褉褌邪 [95.99]
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袙械褉褋懈褟: 1
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孝械褏薪懈褔械褋泻懈泄 泻芯屑懈褌械褌 :香港六合彩开奖/TC 138/SC 4
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袪邪薪械械
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袩褉械写胁邪褉懈褌械谢褜薪邪褟 褋褌邪写懈褟
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小褌邪写懈褟, 褋胁褟蟹邪薪薪邪褟 褋 胁薪械褋械薪懈械屑 锌褉械写谢芯卸械薪懈褟
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20
袩芯写谐芯褌芯胁懈褌械谢褜薪邪褟 褋褌邪写懈褟
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小褌邪写懈褟, 褋胁褟蟹邪薪薪邪褟 褋 锌芯写谐芯褌芯胁泻芯泄 锌褉芯械泻褌邪 泻芯屑懈褌械褌邪
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小褌邪写懈褟, 褋胁褟蟹邪薪薪邪褟 褋 褉邪褋褋屑芯褌褉械薪懈械屑 锌褉芯械泻褌邪 屑械卸写褍薪邪褉芯写薪芯谐芯 褋褌邪薪写邪褉褌邪
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90
小褌邪写懈褟 锌械褉械褋屑芯褌褉邪
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95
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袩芯褟胁懈谢懈褋褜 胁芯锌褉芯褋褘?
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