Standards GB - Chinese national standards - Page 359

Test method for carrier concentration of silicon epitaxial layers—Capacitance-voltage method

Standard published on 21.5.2021

Glass blank of ophthalmic lenses

Standard published on 16.6.2011

Laboratory glassware--Interchangeablespherial ground joints

Standard published on 15.2.1993

Metric threads where pressure-tight joints are made on the threads

Standard published on 30.7.2008

Guangdong decoration porcelain

Standard published on 29.8.2025

General quality requirements for canned edible fungi

Standard published on 11.7.2022

Thermoplastics pipes--Determination of resistance to external blows--Round-the-clock method

Standard published on 24.10.2001

General test method for impact resistance of rigid plastics by means of falling weight

Standard published on 15.2.1993

Plastics doors--Vertical load test

Standard published on 15.2.1993

Doorsets - Soft heavy body impact test

Standard published on 7.8.2008