Methods for chemical analysis of silica sand for foundry

Norma vydána dne 28.2.2025

Coloured cylinder mark for gases

Norma vydána dne 24.2.2016

Methods of sampling and sample preparation ofantimony ores in bags

Norma vydána dne 30.12.1986

Directly heated positive step-function temperature coefficient thermistors--Part 1:Generic specification

Norma vydána dne 18.7.2002

Thermistors--Directly heated positive step-function temperature coefficient--Part 1-1:Blank detail specification for current limiting application--Assessment level EZ

Norma vydána dne 17.1.2003

Thermistors--Directly heated positive step-function temperature coefficient--Part 1-2: Blank detail specification--Heating element application--Assessment level EZ

Norma vydána dne 24.1.2003

-

Norma vydána dne 7.1.1987

Thermistors--Directly heated positive step-function temperature coefficient--Part 1-3: Blank detail specification--Inrush current application--Assessment level EZ

Norma vydána dne 24.1.2003

Thermistors--Directly heated positive step-function temperature coefficient--Part 1-4: Blank detail specification--Sensing application--Assessment level EZ

Norma vydána dne 24.1.2003

Codes and identification of secret level for documents

Norma vydána dne 25.7.2003