Số hiệu tiêu chuẩn
                                        EN 744
                                     
                                    
                                        Tên tiêu chuẩn
                                        Plastics piping and ducting systems - Thermoplastics pipes - Test method for resistance to external blows by the round-the-clock method
                                     
                                                                        
                                        Ngày phát hành
                                        1995-04-00
                                     
                                                                        
                                    
                                        Tiêu chuẩn tương đương
                                        
                                            DIN EN 744 (1995-08), IDT * BS EN 744 (1996-02-15), IDT * NF T54-097 (1995-07-01), IDT * SN EN 744 (1995), IDT * OENORM EN 744 (1995-10-01), IDT * PN-EN 744 (1997-10-17), IDT * SS-EN 744 (1995-05-29), IDT * UNE-EN 744 (1996-03-22), IDT * UNI EN 744:1997 (1997-06-30), IDT * STN EN 744 (1997-06-01), IDT * CSN EN 744 (1997-03-01), IDT * DS/EN 744 (1996-11-01), IDT * NEN-EN 744:1995 en (1995-05-01), IDT * SFS-EN 744 (1999-10-01), IDT * SFS-EN 744:en (2013-01-02), IDT                                        
                                     
                                    
                                    
                                    
                                    
                                    
                                        Từ khóa
                                        Definitions * Impact stress * Impact testing * Pipes * Piping system * Plastic pipelines * Plastic pipes * Plastics * Protective tubes * Resistance * Test specimens * Testing * Thermoplastic polymers * Plastic tubes