GB 4689.13-1984 皮革一二氯甲烷萃取物的测定
GB 4689.13-1984.Leather一Determination of matter soluble in dichlor omethane.GB 4...
国家标准2023.07.21
GB 4689.13-1984.Leather一Determination of matter soluble in dichlor omethane.GB 4...
国家标准2023.07.21
GB 4689.14-1984.Leather一Determination of sulphated total ash and sulphated Water...
国家标准2023.07.21
GB 4689.16-1984.Leather一Determination of water - soluble matter, water -soluble...
国家标准2023.07.21
GB 4689.6-1984.Leather一Determination of tearing load.GB 4689.6规定了测定撕裂力的方法,适用于各种类...
国家标准2023.07.21
GB 4689. 7-1984.Leather - Determination of distension and strength of grain 一Bal...
国家标准2023.07.21
CB/T 4386-2015 Container lashing bar storage rack.1范围CB/T 4386规定了集装箱绑扎杆存放架(以下简称存...
国家标准2023.07.21
GB 4625-1984.Assembly tools for screws and nuts nomenclature.GB 4625等同于国际标准ISO 1...
国家标准2023.07.21
GB 7248-1987.Safety r equirements of electrical light source.GB 7248适用于各种白炽光源和气体...
国家标准2023.07.21
GB 7249-1987.Maximum lamp outlines for general lighting lamps.肘加说明:GB 7249由中华人民共...
国家标准2023.07.21
GB 4689.17-1984.Leat her -Determination of nitrogen content and uhide substance”...
国家标准2023.07.21