Diameter                                                        
                                                                                                                                                                
                                                            400 mm                                                        
                                                                                                                                                 
                                                            
                                                             
                                                            
                                                             
                                                                                                                             
                                                            
                                                             
                                                            
                                                             
                                                            
                                                     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