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  <titleInfo>
    <title>Inventors and discoverers</title>
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    <namePart>27</namePart>
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    <dateIssued encoding="marc">1988</dateIssued>
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  <note type="statement of responsibility">[prepared by National Geographic Book Service].</note>
  <classification authority="ddc" edition="19">609 SOC</classification>
  <classification authority="udc">609 SOC</classification>
  <identifier type="isbn">0870447513 (alk. paper) :</identifier>
  <identifier type="isbn">0870447521 (deluxe : alk. paper) :</identifier>
  <identifier type="isbn">087044753X (lib. bdg. : alk. paper) :</identifier>
  <identifier type="lccn">88022375</identifier>
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