Permanent Committee on Patent Information : Ad Hoc Working Group on the Revision of the Guide to the IPC : [2 Sessions].

1 volume (various paging) ; [28] cm

E 23180G176 WIPO.PCPI/RG(F/E)

(F/E) : French and English version; See French version in COMITE PERMANENT CHARGE DE L'INFORMATION EN MATIERE DE BREVETS : GROUPE DE TRAVAIL SPECIAL SUR LA REVISION DU GUIDE D'UTILISATION DE LA CIB : [2 SESSIONS]; Sessions : 1e : Geneva, October 4-8 1982; PCPI/RG/I/1-4; 2e : Geneva, June 20-24, 1983; PCPI/RG/II/1-3;.

Geneva [Switzerland] : World Intellectual Property Organization, 1982-

English