reference flow
measure of the inputs to or outputs from processes (3.1.3.5) in a given product system (3.1.3.2) required to fulfil the function expressed by the functional unit (3.1.3.7)
reference flow
measure of the inputs to or outputs from processes (3.1.3.5) in a given product system (3.1.3.2) required to fulfil the function expressed by the functional unit (3.1.3.7)