ISO 9177-1:2016
                            
                        
                            
                                Mechanical pencils for technical drawings-- Part 1: Classification, dimensions, performance requirements and testing
                            
                        
                        
                        
                        
                            
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                        $94.010
                    
                
                
                
     
    
                        
                        
                            
                            
                            
                            
                        
                        
                        
                     
                        
                            Alcance
                            ISO 9177-1:2016 specifies classification, dimensions, performance requirements and testing for hand-held mechanical pencils used for technical drawings.