TY - BOOK AU - Singh, Sadhu TI - Refrigeration and conditioning SN - 9789386173089 U1 - 621.56 PY - 2017/// PY - 2021/// CY - New Delhi PB - Khanna Book Publishing KW - Mechanical engineering KW - Refrigeration KW - Heating and ventilation. KW - Air conditioning KW - Pneumatic machinery KW - Compressed air KW - Refrigeration and refrigerating ER -