《石油和石油產品及添加劑機械雜質測定法》(GB/T511-2010)【全文附高清無水印PDF+DOC/Word版下載】英文標準名稱:Petroleum,petroleum products and additives-Method for determination of mechanical admixtures簡介
《電梯層門耐火試驗完整性、隔熱性和熱通量測定法》(GB/T27903-2011)【全文附高清無水印PDF+DOC/Word版下載】英文標準名稱:Fire resistance test for lift landing doors-Methods of measuring integrity,thernal insul
《鋼的脫碳層深度測定法》(GB/T224-2019)【全文附高清無水印PDF+DOC/Word版下載】英文標準名稱:Determination of the depth of decarburization of steels