GOST 520-89

Surgical and dental hand instruments. Determination of resistance against autoclaving, corrosion and thermal exposure. Test methods

Steels. Micrographic determination of the apparent grain size

Welded and folded steel barrels (drums) with crimps on casing. Specifications

Decorative fabrics. General specifications

Fluorite. Method for the determination of silicon dioxide content

Materials for printed boards and other interconnecting structures. Part 2-7. Reinforced base materials clad and unclad. Epoxide woven E-glass laminated sheet of defined flammability (vertical burning test), copper-clad