00476     2200169   4500001002100000005001500021035002000036008004100056245002600097100001700123260003600140300003400176084002200210520004500232082001000277650001900287INLIS00000000000066920231005021908  a0010-0421000669231005                           0 ind  1 aTeknologi Bahan Beton  aUmboh, Willy  aBandung :bPPPGT Bandung,c1992  civ,100hal.:bibl.:ilus.;21 Cm.  a691.3 / UMB t k.1  aMembahas semen, agregat, air untuk beton  a691.3 4aBAHAN BANGUNAN