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ISO 10439-4 2015 Petroleum, petrochemical and natural gas industries — Axial and centrifugal compressors and expander-compressors — Part 4 Expander-compressors.pdf
ISO 27956 2009 Road vehicles Securing of cargo in delivery vans Requirements and test methods.pdf
ISO 2407 1997 Test conditions for internal cylindrical grinding machines with horizontal spindle — Testing of accuracy.pdf
ISO 4783-1-1989Industrial wire screens and woven wire cloth. Guide to the choice of aperture size an.pdf
ISO 10780 1994 Stationary source emissions — Measurement of velocity and volume flowrate of gas streams in ducts.pdf
ISO 23865 2021 Non-destructive testing Ultrasonic testing General use of full matrix capture-total focusing technique (FMC-TFM) and related technologies.pdf
ISO TR 15608 2017 Welding — Guidelines for a metallic materials grouping system.pdf
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GB-T 19802-2005 无损检测 工业射线照相观片灯 最低要求.pdf
GB-T 13265.1-1997 纤维光学隔离器 第1部分 总规范.pdf