TY  - BOOK
ED  - Indian standards institution                                                                                                                                                                                                                                   . 
TI  - Recommendations for modular co-ordination - Application of tolerances  in building industry,IS:6408-1971 / 
U1  - 621.7531 
PY  - 1972///
CY  -  : 
PB  - ISI , 
ER  -