超越犀利哥!
DIN 7980 - Hi-Collar Lock Washers Specifications7001-8000 DIN 7343 - Coiled Pins, Medium Duty DIN 7349 - Flat Washers With Large Ext. Diameter DIN 7978 A - Taper PIns With Internal Thread DIN 7979 D - Dowel Pins With Internal Thread DIN 7980 - Hi-Collar Lock Washers...
全文閱讀