标 准 号:DIN 3962-3-1978简体中文标题:圆柱齿轮啮合公差;齿距偏移公差繁体中文标题:圆柱齿轮啮合公差;齿距偏移公差English Name:Tolerances for Cylindrical Gear Teeth; Tolerances for Pitch-span Deviations