PNST 639-2022

State system for ensuring the uniformity of measurements. Medical diagnostic ultrasonic equipment. Portable foetal heartbeat detectors. General requirements for the declaration of parameters and measurement methods

Canned milk. Dry milk for infant products manufacture. Specifications

Fresh white head cabbage for supply and delivery. Specifications

Low-voltage switchgear and controlgear. Part 5-3. Control circuit devices and switching elements. Requirements for proximity devices with defined behaviour under fault conditions

Sponge titanium. Method for determination of carbon

Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen