000
00256nam a2200121 a 4500
003
EIA
001
1774
942
_0
2
_2
ddc
_c
BK
245
_a
VentilaciĆ³n industrial
260
_c
1995
008
141112s1995 ck r 000 u spa d
082
_a
621.6
_b
Q7v
999
_c
13705
_d
13705