Code of practice for construction of underground air-raid shelters in natural soil
Indian Standards Institution
Code of practice for construction of underground air-raid shelters in natural soil - New Delhi 1970 - 10p - IS:5499-1969 .
AIR RAID SHELTERS - SPECIFICATIONS
AIR RAID SHELTERS - SPECIFICATIONS UNDERGROUND CONSTRUCTION - SPECIFICATION
389.6 IS:5499
Code of practice for construction of underground air-raid shelters in natural soil - New Delhi 1970 - 10p - IS:5499-1969 .
AIR RAID SHELTERS - SPECIFICATIONS
AIR RAID SHELTERS - SPECIFICATIONS UNDERGROUND CONSTRUCTION - SPECIFICATION
389.6 IS:5499