Standard Code | Standard Title | Standard Class | Order |
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GB/T 6609.25-2023 |
Methods for chemical analysis and determination of physical properties of alumina - Part 25: Determination of loose and tapped density {译} 氧化铝化学分析方法和物理性能测定方法 第25部分:松装和振实密度的测定 |
China National Standards tapped |
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GB/T 18230.7-2000 |
Hexagon nuts forstructural bolting,style 2,hot-dip galvanized(oversize tapped)--Product grade A--Property class 9 栓接结构用2型六角螺母 热浸镀锌(加大攻丝尺寸)A级 9级 |
China National Standards tapped |
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GB/T 18230.6-2000 |
Hexagon nuts for structural bolting,style 1,hot-dip galvanized (oversize tapped)--Product grades A and B--Property classes 5,6 and 8 栓接结构用1型六角螺母 热浸镀锌(加大攻丝尺寸) A和B级 5、6和8级 |
China National Standards tapped |
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GB/T 14171-1993 |
Motor vehicles--Pneumatic brakingsystems--tapped holes and male fittings 汽车气制动系管路螺纹孔和管接头外螺纹 |
China National Standards tapped |
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