BS 131-4:1972现行
Notched bar tests. Calibration of pendulum impact testing machines for metals
出版：British Standards Institution
专家解读视频
基本信息
标准编号： BS 131-4:1972
发布时间：1972/3/30 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：12
标准简介
Inspection, calibration and verification of the machines in Parts 1, 2 and 3. Accuracy of gauges used in checking components, in an appendix.
标准备注
© British Standards Institution 2013
Replaced by notes:
Partially replaced by BS EN 10045-2:1993.
Amendment notes:
AMD 7768 published 15 June 1993
本标准替代的旧标准
替代本标准的新标准
等同采用的国际标准
ISO 442:1965 - Equivalent
