000
00283nam a2200109Ia 4500
008
140122s9999 xx 000 0 und d
082
_a
541 Sittig Ma
100
_a
Sittig M
245
_a
Particulates and fine dust removal process and equipment
260
_b
_c
1977
942
_c
BK
_2
ddc
999
_c
4153
_d
4153