Painting brishes. Specifications 
             
            
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              Paint rolls specification 
             
            
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              Construction steel hammers. Specifications 
             
            
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              Occupational safety standards system. Devices to ensure the safety of works. General requirements 
             
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              Pallets for bricks and hollow clay tiles 
             
            
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              Concrete mixture conveying buckets to 2 cub m volume. General specifications 
             
            
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              Hoisting cranes. Self-propelled jib cranes. General technical requirements 
             
            
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              Fencings for building sites. Specifications 
             
            
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              Device for palletized haulage of silica bricks by trucks. Main parameters and dimensions. Technical requirements 
             
            
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              Collapsible travelling small panel inventory form for monolithic concrete and reinforced concrete. Specifications 
             
            
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              Form for monolithic concrete and reinforced concrete structures erection. Classification and general technical requirements 
             
            
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              Columns for automatic welding machines. Types, basic parameters and dimensions 
             
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