TY  - BOOK
ED  - Indian standards institution
TI  - Tolerences of form and of position for engineering drawings: Part 1 generalitiea , symbols,indications on drawings 
U1  - 744:43:003.62:621.753.1 
PY  - 1976///
CY  - New Delhi
PB  - Indian standards institution
KW  - IS:8000(part 1)-1976
ER  -