00493nam a22001577a 450000500170000000800410001702000160005804100130007408200160008710000270010324500670013025000200019726000560021730000360027365000260030920231107075811.0231107b        |||||||| |||| 00| 0 eng d  a04090135520  aEnglish   a346.47 BUR   aBurrell, TD lEnglish   aBurrell: South African Patent Law and Practice / cTD Burrell   aSecond Edition   aDurban : bButterworth Publishers (Pty) Ltd, c1986  bxxxvii, 699 pages ; c25,5 cm.   aLegal practice bLaw