https://opac.bue.edu.eg//cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%7BPatents.%7D%29&sort_by=relevance&format=rss 3 0 50 ISBN: https://opac.bue.edu.eg//cgi-bin/koha/opac-detail.pl?biblionumber=3338 By Bulavin ,I. .
Moscow : Mir , 1986 .
272p: , Donations. | Donations - Bibliotheca Alexandrina. 19cm..

]]> https://opac.bue.edu.eg//cgi-bin/koha/opac-detail.pl?biblionumber=3338 ISBN: https://opac.bue.edu.eg//cgi-bin/koha/opac-detail.pl?biblionumber=25750 Geneva : World Intellectual Property Organization, 1995 .
178 p. ; 18 cm..

]]> https://opac.bue.edu.eg//cgi-bin/koha/opac-detail.pl?biblionumber=25750 ISBN: https://opac.bue.edu.eg//cgi-bin/koha/opac-detail.pl?biblionumber=25869 By Maynard, John T.,.
Washington : American Chemical Society, 1991 .
xvi, 183 p. : 24 cm..

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