BS 1868-1975(R1990) Steel check valves(flanged and butt-welding ends) for the petroleumpetrochemical and allied industries.pdf附件大小:0MB附件格式:1个直链文件,格式为rar 资源简介:BS1868-1975(R1990)Steelcheckvalves(flangedandbutt-weldingends)forthepetro
02-SAMSS-011-2007 Forged Steel Weld Neck Flangeds for Low Intermediate and high temperature service.pdf附件大小:0MB附件格式:1个直链文件,格式为rar 资源简介:02-SAMSS-011-2007ForgedSteelWeldNeckFlangedsforLowIntermediateandhightemperatureservice沙特阿拉伯