TY - GEN T1 - Ad hoc Joint Trials Scheme Study Group :Meeting of Experts concerning Joint Trial Arrangements (Geneva, February 2, 1971). LA - eng ID - 15348 KW - WIPO AND UPOV DOCUMENTS : BIRPI : PARIS UNION: NEW PLANT VARIETIES TI - Ad hoc Joint Trials Scheme Study Group :Meeting of Experts concerning Joint Trial Arrangements (Geneva, February 2, 1971). ER -