Air compressors, gas compressors, and electric compressors for heating, air conditioning refrigeration, rotary pumps, axial pumps and compressors for machines, engines other than for land vehicles, heat exchangers as part of heating and air conditioning units

Air compressors, gas compressors, and electric compressors for heating, air conditioning refrigeration, rotary pumps, axial pumps and compressors for machines, engines, other than for land vehicles, heat exchangers as part of heating and air conditioning units