GOST 18751-80

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Cross-recessed cheese head screws

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Occupational safety standards system. Personal protective equipment against falls from a height. Belts and lanyards for work positioning and restraint. General technical requirements. Test methods

Ergonomic requirements for office work with visual display terminals (VDTs). Part 7. Requirements for display with reflections

Automobile roads of general use. Viscous road petroleum bitumens. Method for determination of dynamic viscosity by rotational viscometer