Black tea—Part1: Broken black tea

Standard published on 1.11.2017

Black tea—Part 2: Congou black tea

Standard published on 1.11.2017

Black tea - Part 3: Souchong black tea

Standard published on 31.12.2012

Black tea—Part 3:Souchong black tea

Standard published on 31.12.2012

Test methods for laser beam widths,divergence angle and transverse mode

Standard published on 30.12.2011

Accuracy of optical transfer functionOTFmeasurement

Standard published on 30.9.2009

D.C.magnetoelectric galvanometer

Standard published on 4.11.1992

The measurement of coating thickness for electro-deposited nickel coatings on magnetic and non-magnetic substracts

Standard published on 4.11.1992

Classification and code of disciplines

Standard published on 6.5.2009

Safety and hygiene code for working with lead

Standard published on 23.12.2008