BS 1000 [66/66.0]: 1983 UDC 66/66.0 Chemical technology. Chemical engineering, production & processing operations and plant.

BS 1000 [66/66.0]: 1983 UDC 66/66.0 Chemical technology. Chemical engineering, production & processing operations and plant. British standards institutions - London B S I 1983

025.43 UDC/BSI/15