DIN 263-3(1)
梯形螺纹,单头及双头,带间隙,用于轨道车辆 第3部分:螺纹规,规尺寸及规的允许磨损
Single- and double-start acme thread with clearance for rail vehicles — Part 3: Thread gauges — Thread dimensions and permissible wear of thread gauges
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Single- and double-start acme thread with clearance for rail vehicles — Part 3: Thread gauges — Thread dimensions and permissible wear of thread gauges