标题: JIS B 8317-2-1999 Vapour vacuum pumps -- Measurement of performance characterist [打印本页] 作者: cc523pate 时间: 2016-2-21 18:24:38 标题: JIS B 8317-2-1999 Vapour vacuum pumps -- Measurement of performance characterist
JIS B 8317-2-1999 Vapour vacuum pumps -- Measurement of performance characteristics -- Part 2: Measurement of critical backing pressure