000			00283nam a2200073 4500
080			_a _b
245			_aIS: 10805 - 1986; Foot-valves, reflux valves or non-return valves and bore valves to be used in suction lines of agricultural pumping systems
700			_aBureau of Indian Standards
260			_aNew Delhi _bBIS _c1991
300			_a7p
999			_c33657 _d33657