[国外标准] JIS B8317-2-1999 Vapour vacuum pumps-Measurement of performance characteristics-Part 2：Measurement o
[国外标准] JIS B8317-1-1999 Vapour vacuum pumps-Measurement of performance characteristics-Part 1：Measurement o
[国外标准] JIS B7529-1979 Vapour Pressure Thermometers