Explosive atmospheres. Non-electrical equipment for explosive atmospheres. Non-electrical type of protection constructional safety ''c'', control of ignition sources ''b'', liquid immersion ''k''— 62 стр.
Rubber and plastics hoses and hose assemblies for use in the pharmaceutical and biotechnological industry. Bonded elastomeric hoses with or without a lining— 26 стр.
Explosive atmospheres - Part 37: Non-electrical equipment for explosive atmospheres - Non-electrical type of protection constructional safety ''c'', control of ignition sources ''b'', liquid immersion ''k'' (ISO 80079-37:2016)
Explosive atmospheres - Part 37: Non-electrical equipment for explosive atmospheres - Non-electrical type of protection constructional safety ''c'', control of ignition sources ''b'', liquid immersion ''k'' (ISO 80079-37:2016)