Code of practice for installation and maintenance of escalators /
Code of practice for installation and maintenance of escalators /
BIS.
- 4th ed
- New Delhi : Bureau of Indian Standards , 1968.
- 13p;21cm
Includes bibliogrphies and index.
1234567813
Civil engineering
658.5620954 BUR
Includes bibliogrphies and index.
1234567813
Civil engineering
658.5620954 BUR