000
00312nam a2200121Ia 4500
008
220201s1974 xx 000 0 eng d
082
_a
621.56
100
_a
Domkundwar,S & Arora,SC
245
0
_a
Course in Refigeration and air conditioning
260
_b
Dhanpat rai & sons
_c
1974
300
_a
559
942
_2
ddc
999
_c
79991
_d
79991