3930 标准查询与下载

DIN 22424:1990 矿山预防潜在性爆炸气体的电气设备.三角头螺栓

Electrical apparatus for potentially explosive atmospheres for mining; triangle head bolts

DIN 21346:1989 导轴用的四方头螺栓

Square head bolts for shaft guides

DIN 478:1985 方头带肩螺栓

Square head bolts with collar

DIN 479:1985 短螺栓末端的圆柱轴颈止端的方头螺栓

Square head bolts with short dog point

DIN 480:1985 带肩和半圆柱轴颈止端的方头螺栓

Square head bolts with collar and oval half dog point

DIN 25192:1978 铁路车辆用T 形头螺栓锤头螺栓）

T-head bolts (hammer head bolts), for railway vehicles Vis à tête rectangulaire, pour véhicules ferroviaires

T-head bolts (hammer head bolts) for railway vehicles