UDC 678 Industries based on macromolucular materials, rubber, plastics BS 1000(678) 1981
B S I
UDC 678 Industries based on macromolucular materials, rubber, plastics BS 1000(678) 1981 B S I - London B S I 1981
025.43 UDC/BSI-10
UDC 678 Industries based on macromolucular materials, rubber, plastics BS 1000(678) 1981 B S I - London B S I 1981
025.43 UDC/BSI-10