
Vapour Vacuum Pumps - Methods Of Measurement Of Performance Characteristics - Part 2: Measurement Of Critical Backing Pressure
出版:Bureau of Indian Standard

專家解讀視頻
1993(R2003)1993
ISO 1608-2:1989 - Identical
ISO 1608-2 : 1989(R2017) - Identical
ISO 1608-2 : 1989(R2017) - Identical