000
00319nam a2200133Ia 4500
008
220201s1992 xx 000 0 eng d
082
_a
621.56
_b
BAL
100
_a
Ballaney, PL
245
0
_a
Refrigeration & airconditioning
250
_a
9
260
_b
Delhi : Khanna Publishers
_c
1992
300
_a
812
942
_2
ddc
999
_c
85210
_d
85210