000			00323pam a2200133a 44500
003			OSt
005			20210804105014.0
008			160510b xxu||||| |||| 00| 0 eng d
040			_cIIT Kanpur
041			_aeng
100			_aASME
245			_aAir gaps and backflow preventers in plumbing systems _b[ASA 40.4-1942]
942			_cBK
999			_c478987 _d478987