
Centrifugal, mixed flow and axial pumps; Code for acceptance tests; Class B
出版:International Organization for Standardization

專家解讀視頻
1977
UNI ISO 3555:1981 - Identical
NBN E 44 004:1986 - Identical
BS 5316-2:1977 - Identical
NFX 10 602:1977 - Equivalent
AS 2417.3-1980 - Identical