00474     2200169   4500001002100000005001500021008004100036035002000077082001000097084002000107100001700127245002600144260003600170300003400206520004500240650001900285INLIS00000000000066920250902072724250902                           0 ind    a0010-0421000669  a691.3  a691.3 UMB t k.1  aUmboh, Willy1 aTeknologi Bahan Beton  aBandung :bPPPGT Bandung,c1992  civ,100hal.:bibl.:ilus.;21 Cm.  aMembahas semen, agregat, air untuk beton 4aBAHAN BANGUNAN