000 00325nam a2200109Ia 4500
100 _aINDIAN STANDARD INSTITUTION
365 _cRS
365 _d1
942 _cENGBK
245 _aIndian Standard Specification for Hollow Clay Tiles for Floors and Roofs part ii is 3951-1975
260 _bIndian Standard Institution
_c1981
_aDelhi
999 _c15047
_d15047