00255nam a22001097a 4500 OSt 230827b |||||||| |||| 00| 0 eng d 621.56 J63R Rochard C Refrigeration and Air Conditioning ddc BK 30415 30415 0 0 ddc 0 0 RAU RAU 2023-08-27 0 621.56 J63R 37468 2023-08-27 2023-08-27 BK