SOIL SURFACE SAMPLER, ASTM D-2937, Hubungi: Ir.eddy heryanto/ 081395162454 / 082128170893[18 Feb. 2011, 20:19:16]
soil surface sampler, ASTM D-2937, Type TT-170, for determining soil density in place, dipakai pada lab mekanika tanah, TT-171 Hammer, TT-172 Sampling Tube, Hubungi : Ir. Eddy Heryanto, 081395162454 / 02270304572