NBN-EN 20225-1992 3125 《固定成分 螺栓；螺钉；螺杆和螺母 尺寸代号和指示》.pdf

相关资源

GB T 5276-2015 紧固件 螺栓、螺钉、螺柱及螺母 尺寸代号和标注.pdf

GB T 5276-1985 紧固件 螺栓、螺钉、螺柱及螺母 尺寸代号和标注.pdf

FZ T 90029.5-1991 针织用针分类、术语及产品代号编法 产品代号编法.pdf

FZ T 90029.5-1991 针织用针分类 术语及产品代号编法 产品代号编法.pdf

FZ T 90029.5-1991 针织用针分类.术语及产品代号编法产品代号编法.pdf

QB T 1538-1992 计时仪器产品代号编写规定表、钟、定时器代号表示方法.pdf

QB T 1538-1992 计时仪器产品代号编写规定 表、钟、定时器代号表示方法.pdf

QB T 1538-1992 计时仪器产品代号编写规定.表、钟、定时器代号表示方法.pdf

QJ 25-1981 文字代号.pdf

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