DIN 264-1
铁路车辆用单头及双头梯形螺纹(带间隙)- 第3部分:螺纹规、规尺寸及规的允许磨损
Trapezoidal threads, single and double start, with clearance, for rail vehicles - Part 3: Thread gauges, gauge dimensions and permissible wear of gauges
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Trapezoidal threads, single and double start, with clearance, for rail vehicles - Part 3: Thread gauges, gauge dimensions and permissible wear of gauges
Single- and double-start acme thread with clearance for rail vehicles — Part 3: Thread gauges — Thread dimensions and permissible wear of thread gauges