Standards GB - Chinese national standards - Page 5469

Double end studs--bm=1.25d

Standard published on 6.2.1988

Oxygen supplies for medicine and aircraft breathing

Standard published on 31.10.2025

Gas analysis—Determination of the contents of trace carbon monoxide, carbon dioxide and hydrocarbon in gases—Gas chromatography with flame ionization detector

Standard published on 29.8.2025

Micrographics - Test target for checking optical density of negative microimages in microfilming

Standard published on 16.7.2008

Double end studs--bm=1.5d

Standard published on 6.2.1988

Environmental conditions and testing procedures for nuclear instrumentation

Standard published on 24.7.1998

In-core instrumentation for neutron fluence rate measurements in nuclear reactors

Standard published on 18.7.2008

In-core instrumentation for neutron fluence rate measurements important to safety for nuclear power plants
Execute Date: february 2027

Standard published on 2.7.2026

Calibration for alpha, beta and alpha/beta surface contamination meters and monitors

Standard published on 2.7.2008

General regulation of quality assurance for ionizing radiation monitoring

Standard published on 10.8.2021