ISO 10791-7:2020 EN d0cc0b48
Test conditions for machining centres — Part 7: Accuracy of finished test pieces
现行
发布日期 :
2020-01-29
实施日期 :
ISO 20361:2019 EN 757eebbd
Liquid pumps and pumps units — Noise test code — Grades 2 and 3 of accuracy
现行
发布日期 :
2019-07-19
实施日期 :
IEC 61300-3-55:2020 EN-FR 2dff5741
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-55:Examinations and measurements - Polarisation extinction ratio and keying accuracy of polarisation maintaining, passive, optical components
现行
发布日期 :
2020-05-07
实施日期 :