000
00299nam a2200121Ia 4500
008
220201s1959 xx 000 0 eng d
082
_a
621.56
100
_a
Burkhardlt, Charles H
245
0
_a
Residental commercial air conditioning
260
_b
Mc Graw Hill
_c
1959
300
_a
324
942
_2
ddc
999
_c
77899
_d
77899