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ČSN is a protected designation of Czech national technical standards.
Insulating liquids. Specifications for unused liquids based on synthetic aromatic hydrocarbons
WITHDRAWN published on 1.1.1997
Selected format:Synthetic organic esters for electrical purposes - Guide for maintenance of transformer esters in equipment
Standard published on 1.3.1998
Selected format:Synthetic organic esters - Guidelines for maintenance and use in electrical equipment
Standard published on 1.12.2025
Selected format:Syntetické organické estery pro elektrotechnické účely - Návod na úpravu transformátorových esterů v zařízení.
Change published on 1.12.2025
Selected format:Specification for unused insulating mineral oils for cables with oil ducts
Standard published on 1.12.1996
Selected format:Petroleum products and lubricants - Triaryl phosphate ester turbine control fluids (category ISO-L-TCD) - Specifications
WITHDRAWN published on 1.8.1998
Selected format:Petroleum products and lubricants - Triaryl phosphate ester turbine control fluids (Category ISO-L-TCD) - Specifications
WITHDRAWN published on 1.5.2005
Selected format:Specification for unused polybutenes
Standard published on 1.9.1998
Selected format:Fluids for electrotechnical applications - Mineral insulating oils for electrical equipment
Standard published on 1.2.2021
Selected format:Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
WITHDRAWN published on 1.1.2005
Selected format:Latest update: 2026-09-23 (Number of items: 2 302 501)
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