00426nam a22001457a 450000500170000000800410001702000140005804100130007208200160008510000270010124500580012826000370018630000310022365000260025420231107082102.0231107b        |||||||| |||| 00| 0 eng d  a409013544  aEnglish   a346.47 BUR   aBurrell, TD lEnglish   aSouth African Patent Law and Practice / cTD Burrell   aDurban : bButterworths, c1972   bxxx, 445 pages ; c25 cm.   aLegal practice bLaw