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 J01 Technology, Industry, and Agriculture D013676 +
  J01.576 Industry D007221 +
   J01.576.154 Book Industry D001870 +
    J01.576.154.600 Paper D010209 


 J01 Technology, Industry, and Agriculture D013676 +
  J01.637 Manufactured Materials D008420 +
   J01.637.650 Paper D010209