TI NG I T
N I DUNG
C C T NH N NG ................................................................................................. 1
PH N ............................................................................................ 4
CHU N B ............................................................................................................ 7
N H NH ........................................................................................................... 8
THAY TH ........................................................................................................... 16
X
C ..................................................................................................... 17
ui l ng
c k h
ng d n s d ng tr
c khi v n h nh m y l c kh ng kh m i
B l c HEPA
B l c kh m i
B l c s
c p
L U