Measurement of flow of cold potable water in closed conduits, Methods for determining principal characteristics of single meters (including test equipment)— 22 стр.
Measurement of flow of cold potable water in closed conduits, Methods for determining principal characteristics of single mechanical water meters (including test equipment)— 26 стр.
Measurement of flow of cold potable water in closed conduits, Methods for determining principal characteristics of single mechanical water meters (including test equipment)— 26 стр.
