TY  - BOOK
ED  - India.Ministry of Planning.Central Statistical Organisation.
TI  - National industrial classification 1970
U1  - 338.1 21st ed.
PY  - 1975///
CY  - Delhi
PB  - Controller of Publicaions
KW  - Industrialization-India
KW  - Industries-Classification
KW  - Industries-India
ER  -