Showing 1 - 2 results of 2 for search '"Patents."', query time: 0.11s Refine Results
  1. 1
    Leningrad : Biblioteka,
    v. ; 20 cm.
    Subjects: ...Patents Bibliography Catalogs....
  2. 2
    Published 1991
    Leningrad : Biblioteka, -1991.
    v. ; 20 cm.
    Subjects: ...Patents Bibliography Catalogs Periodicals....

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