Polyethylene pressure pipes. Specifications 
             
            
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              Polyethylene pressure pipes 
             
            
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              Tubes of polyvinylchloride plastic. Specifications 
             
            
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              Polyethylene pipes and fittings for waste discharge inside the buildings. Specifications 
             
            
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              Plastic pipes. Method of determination of the resistance to constant internal pressure 
             
            
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              Thermoplastic fitting. Methods of determination of the fittings appearance alteration after heating 
             
            
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              Tubes made of thermoplastics. Length measurement. Method for determination and parameters 
             
            
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              Thermoplastic pipes. Methods of determination of the tubes length after heating 
             
            
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              Pipes from unplasticized polyvinylchloride. Types and range of products 
             
            
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              Thermoplastics pipes for the transport of fluids. Nominal outside diameters and nominal pressures 
             
            
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              Plastics pipes. Measurement of dimensions 
             
            
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              Unplasticized polyvinylchloride pipes and fittings for waste discharge inside the buildings. Specifications 
             
            
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