Glass-reinforced thermosetting plastics piping systems based on unsaturated polyester resins for pressure and non-pressure drainage and sewerage. General technical requirements
Occupational safety standards system. Special clothing for protection against liquid chemicals. Method for determination of resistance of air-impermeable materials to permeation by liquids
Phenolic cellulose paper copper-clad electrical insulating material laminated sheet of defined flammability (vertical burning test), economic quality. Specifications
€10
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