TCVN 3741-1982
Industrial filtering gas masks and respirators.Filter.Determination of protecting action time against gaseous toxic chemicals

Standard No.

TCVN 3741-1982

Release Date

2008

Published By

VN-TCVN

Latest

TCVN 3741-1982

TCVN 3741-1982 history

• 2008 TCVN 3741-1982 Industrial filtering gas masks and respirators.Filter.Determination of protecting action time against gaseous toxic chemicals