问:哪里下载ISO 898-7 1992 Mechanical properties of fasteners Part 7 Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm答:请联系微信:siduwenku
ISO 898-7 1992 Mechanical properties of fasteners Part 7 Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm