000
00270nam a2200109Ia 4500
008
220201s1963 xx 000 0 eng d
100
_a
Hemeon,WCL
245
0
_a
Plant and process ventilation
260
_b
New york: Industrial press
_c
1963
300
_a
481
942
_2
ddc
999
_c
79059
_d
79059