IRAM 2575-1961 《制冷管道连接配件》.pdf

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SAE J 513-1999 Refrigeration Tube Fittings - General Specifications《制冷管配件 一般规范》.pdf

STAS 6938-1964 《制冷设备 黄铜弯管大小》.pdf

SFS 5166-1986 《塑料管 玻璃钢管及其配件 管》.pdf

DLA AND10059 REV 3-1964 FITTINGS-STYLES OF PIPE THREADED FLARED TUBE AND HOSE《配件风格的管螺纹发作管和软管的配件》.pdf

SFS 5168-1986 《塑料管 玻璃钢管及其配件 锥管》.pdf

MSZ 9850 9-1981 《电线绝缘塑料管和配件 螺旋管》.pdf

SFS 5169-1986 《塑料管 玻璃钢管及其配件 T管》.pdf

MSZ 9850 5-1980 《绝缘电线的塑料保护管和配件 PVC管》.pdf

MSZ 9850 2-1980 《电线绝缘塑料管和配件PVC保护管》.pdf

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