000 00231nam a2200073 4500
080 _a
_b
245 _aIS: 2101 - 1962; Recommendations for limits and fits for sizes above 500mm upto 3150mm
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1963
300 _a21p
999 _c24449
_d24449