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Machines for cutting out, cleaning, forming of ballast and repair of rail way bed. General technical requirements
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Gas fired central heating boilers. Type B boilers of nominal heat input not exceeding 300 kW, but not exceeding 1000 kW
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Paints and varnishes. Test methods of metal content. Preparation of acid extracts from paints in liquid or powder form
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Railway telecommunications. Suspension rules of self-supporting optical waveguide cable on railway contact-line masts and power lines with voltage over 1000 V
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Rubber compounding ingredients. Carbon black. Determination of sieve residue
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