Russian standards PDF

Ophthalmic optics. Spectacle frames for corrective eyeglasses. General technical requirements and test methods

Document status: Active

Explosive atmospheres. Part 26. Equipment with equipment protection level (EPL) Ga

Document status: Active

Explosive atmospheres. Part 35-1. Caplights for use in mines susceptible to firedamp. General requirements and test methods in relation to the risk of explosion

Document status: Active

Electrical apparatus for explosive gas atmospheres. Part 5. Powder filling 'q'

Document status: Active

Explosive atmospheres. Part 6. Equipment protection by liquid immersion 'o'

Document status: Active

Static electricity spark safety. General technical requirements and test methods

Document status: Active