Normy GB - Čínské národní normy - strana 481

Methods for chemical analysis of tantalum and niobium—Part 7:Determination of phospherus content in niobium—4-Formyloxy-pentyl ketone-[2] extraction separation phosphomolybdate blue spectrophotometry and inductively coupled plasma atomic emission spectrometry

Norma vydaná dňa 6.3.2020

Methods for chemical analysis of tantalum and niobium - Determination of carbon and sulphur contents

Norma vydaná dňa 31.3.2008

Methods for chemical analysis of tantalum and niobium - Determination of iron, chromium, nickel, manganese, titanium, aluminum, copper, tin, lead and zirconium contents in tantalum

Norma vydaná dňa 31.3.2008

Geometric size measuring methods of precious metals and their alloy materials

Norma vydaná dňa 31.3.2008

Testing method for contact resistance of precious metals electrical contact materials

Norma vydaná dňa 20.8.2021

Manganese ores--Determination of total iron content--Potassium dichromate titrimetric method and 110-phenanthroline spectrophotometric method

Norma vydaná dňa 11.9.2002

The specification for industrial healthand safety technology in glass factory

Norma vydaná dňa 24.5.1994

Speed meters for motor vehicle

Norma vydaná dňa 16.4.2008

Speedometer for motor vehicle and motorcycle
K dispozici od: červenec 2027

Norma vydaná dňa 30.4.2026

Strength requirement and test method of automobile seats,their anchorages and any head restraints

Norma vydaná dňa 14.10.2019