00453nam a2200145Ia 4500008004100000041000800041082001800049100002200067245004300089250001000132260004100142300000800183952009900191999001700290211209s1984    xx            000 0 und d  aeng  a628.8 SIN/SIN  aSINGH, GURUCHARAN  aWATER SUPPLY AND SANITARY ENGINEERING   a4 ed.  aNEW DELHIbSTANDARD BOOK HOUSEc1984  a517  00104070aRITbRITd2021-12-31l0o628.8 SIN/SINp17642r2021-12-31 00:00:00w2021-12-31yBK  c17642d17642