OND-90

Standard design catalogue. Blind flanges. Design, dimensions and technical requirements (With Amendments No. 1, 2)

Decree No. 90 of the Ministry of Health and Medical Industry of Russia dated 14.03.1996 (revision as of 06.02.2001) 'On the procedure for conducting preliminary and periodic medical examinations of workers and medical regulations for admission to the professional occupation'

Departmental instructions for process design of industrial water supply, sewage and sewage water treatment for oil refining industry enterprises

Design guidelines for process heater steam protection at oil-refining and petrochemical facilities. USSR Minneftekhimprom 21.09.1976

The supporting structures of the elements of nuclear plants with water-cooled power reactors. General technical requirements

Requirements for indicators and gaz analyzers