GOST R ISO 12176-1-2011 Plastics pipes and fittings Equipment for fusion jointing polyethylene systems Part 1 Butt fusion《塑料管道和连接件 融合焊接聚乙烯系统设备 第1部分 熔接》.pdf

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4、PS). . - . , (ISO 4287:1997Geometrical product specifications (GPS). Surface texture. Profile method. Terms, definitions and surfacetexture parameters) 4427-2:2007 . - (). 2. (ISO 4427-2:2007 Plastics piping systems Polyethylene (PE)pipes and fitting for water supply Part 2: Pipes) 4427-3:2007 . - (

5、). 3. (ISO 4427-3:2007 Plastics piping systems Polyethylene(PE) pipes and fitting for water supply Part 3: Fittings) 4437:2007 () . . (ISO 4437:2007 Buried polyethylene (PE) pipes for the supply of gaseousfuets Metric series Specifications) 8085-2:2001 , - . . . 2. - / (ISO 8085-2:2001 Polyethylene

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