000 00255nam a2200073 4500
080 _a
_b
245 _aIS: 1537 - 1976 Reaffirmed 1991; Specification for vertically cast iron pressure pipes for water, gas and sewage
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1976
300 _a17p
999 _c34579
_d34579