GOST 12950-67

Telephone exchanges. Information tone signal parameters

State system for standardization of Russian Federation. Procedure for working out, acceptance, registration of rules and recommendations on standardization, metrology, certification, accreditation, catalogization and information about them

Products cosmetic. Cosmetics. Detection and determination of N-nitrosodiethanolamine (NDELA) by liquid chromatography-tandem mass spectrometry (HPLC-MS-MS)

Bitumens and bituminous binders. Characterization of perceptible properties

Carbon materials. Test method for thermal conductivity at room temperature

Explosive atmospheres. Part 31. Equipment dust ignition protection by enclosure 't'