Code of practice for ancillary structures in sewage system, IS 4111(Part 1)-1986 /
Code of practice for ancillary structures in sewage system, IS 4111(Part 1)-1986 / Textual Documents
Indian Standards Institution.
- New Delhi : Indian Standards Institution , 1986.
- 20 ; .
628.253 / IND/CO
628.253 / IND/CO
