
Graphic Symbols for Railroad Maps and Profiles
STANDARD published on 1972
    
        Designation standards: ASME Y32.7:1972(R2014)
                
                
                
               
                Publication date standards:  1972
        Approximate weight : 300 g (0.66 lbs)
        Country:          American technical standard
        Category: Technical standards ASME
        
                
              
Reaffirmed: 2014