Normas ISO

Information technology -- International Standardized Profile TAnnnn -- Connection-mode Transport Service over Connectionless-mode Network Service-- Part 4: Definition of profile TA53, operation over a Token Ring LAN subnetwork

Steel -- Determination of antimony content -- Electrothermal atomic absorption spectrometric method

Steel and iron -- Determination of manganese content -- Flame atomic absorption spectrometric method

Technical specifications for centrifugal pumps -- Class I

Rotary tools for threaded fasteners -- Performance test method

Acoustics -- Determination of sound power levels of noise sources using sound pressure -- Engineering method in an essentially free field over a reflecting plane