@article{16819,
      author = {Daniel, Denis Allan,},
      url = {http://tind.wipo.int/record/16819},
      title = {Official instructions governing trademarks in Brazil and  other related matters : English translation of Brazilian  Normative Acts No 49, 50, 51, and 52 of January 27, 1981 :  New classification of goods and service/s /},
      recid = {16819},
      pages = {64 pages ;},
}