Circular 25/2012/TT-BLDTBXH dated October 25, 2012 promulgating the National Technical Regulation on occupational safety with gas filters used in masks and respirators.
The Circular issues the National Technical Regulation on occupational safety with gas filters used in masks and respirators: QCVN 10: 2012/BLĐTBXH
The Circular takes effective since April 25, 2013
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