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<collection xmlns="http://www.loc.gov/MARC21/slim">
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  <leader>00999nam a2200205Ia 4500</leader>
  <controlfield tag="001">CTU_132233</controlfield>
  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="c">75000</subfield>
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   <subfield code="a">Nguyễn, Ngọc Khôi</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="a">Các phương pháp giám định đá quý</subfield>
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  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="c">Nguyễn Ngọc Khôi</subfield>
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  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="a">Hà Nội</subfield>
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   <subfield code="b">Giáo dục</subfield>
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  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="c">2006</subfield>
  </datafield>
  <datafield tag="520" ind1=" " ind2=" ">
   <subfield code="a">Nội dung sách cung cấp những kiến thức cần thiết về đá quý về thành phần và cấu trúc của đá quý, các tính chất có thể được sử dụng để giám định đá quý, bao gồm các tính chất cơ lý, các tính chất quang học và các đặc điểm bên trong.</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
   <subfield code="a">Precious stones,Precious stone industry,Đá quý,Công nghệ đá quý</subfield>
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   <subfield code="i">Tuyến</subfield>
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   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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