UDC 66 Glass and allied industries ceramics, clay and allied industries gypsum lime cement and allied industries BS 1000(666): 1971
B S I
UDC 66 Glass and allied industries ceramics,
clay and allied industries gypsum lime cement and allied industries BS 1000(666): 1971 B S I - - London B S I 1971
580068412
025.43 UDC/BSI/12
UDC 66 Glass and allied industries ceramics,
clay and allied industries gypsum lime cement and allied industries BS 1000(666): 1971 B S I - - London B S I 1971
580068412
025.43 UDC/BSI/12