標準材料尺寸表2 關於材料之JIS與國外規格的比較表1

六角鋼對邊H. 8,10,14,17,19,21,22,23,24,26,29,30,32,35,36,38,41,46. 圓鋼. D. 3,4 ,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,28,30,32,34,35 ...

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