00472nam a2200193 a 450000100080000000500110000800800410001910000230006024500580008326000230014130000090016465000180017365000120019165000120020365000150021565000140023065300240024465300100026817507072025-01-23       1992    bl uuuu     u0uu1 u    #d1 aSILVA, J. B. C. D.  aSemeadeira de precisao. BR no. 7200416. 23 mar. 1992.  aBrasilia, DFc1992  a6 p.  aMecanização  aPatente  aPlantio  aSemeadeira  aSemeadura  aPlanting equipament  aSower