01078nam a2200253|i 450099100380475970753620021223130827.0020319s|||| sz u u enguu9280504444b11866834-39ule_instLE02988880ExLISUFI - Sett. Diritti e Politiche Euromediterraneeita346.048World Intellectual Property Organization464697Strasbourg agreement concerning the international patent classification :of March 24, 1971, as amended on September 28, 1979 /World Intellectual Property OrganizationGeneva :WIPO,199719 p. ;21 cmWIPO publication ;275(E).b1186683428-04-1723-12-02991003804759707536LE029 346.048 WIP01.221LE029-3511le029-E0.00-no 00000.i1211975123-12-02Strasbourg agreement concerning the international patent classification901016UNISALENTOle02901-01-02ma -engsz 01