000
00255nam a2200109Ia 4500
008
211209s9999 xx 000 0 und d
041
_a
eng
082
_a
621.56 N65 PAT
100
_a
PATEL
245
_a
REFRIGERATION AND AIR-CONDITIONING
260
_b
ACHARYA
999
_c
4143
_d
4143