00579     2200193   4500001002100000005001500021035002000036008004100056041000700097082001100104090001700115100001700132245007400149260004700223300003700270650004800307084001700355990001300372INLIS00000000000325520230302025827  a0010-0521003255230302                g          0 eng    aen  a633.91  a633.91/VRI/e0 aVRIES, O. De1 aEstate rubber: its preparation, properties and testing /cO. De Vries  aBatavia :bDrukkerijen Ruygrok & Co,c1920  axi, 637 p.: ill.; 24 cm. + Index 4aHEVEA BRASILIENSIS -- PROPERTIES -- TESTING  a633.91 VRI e  aBK001894