673 - Segmented Classification Number (NR)
      
      MARC 21 Classification - Concise
      
         					2008
         				
      
      
      Designation of where the classification number can be logically shortened.
      Indicators
      First - Undefined
         
# - Undefined
       
      Second - Undefined
         
# - Undefined
       
      Subfield Codes
      $a - Classification number-single number or beginning number of span (R)
      $c - Classification number-ending number of span (R)
      $y - Table sequence number for internal subarrangement or add table (R)
      $z - Table identification (R)
      
      $8 - Field link and sequence number (NR)
         
       
      Examples
      
      
         
            
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               | 673 | 
               ##$a025.06/001$c025.06/999
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               | 673 | 
               ##$a913$c919$y1$a06/2
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