Haum rau kev siv hauv Iia, Iib, iic tawg cov roj kev phom sij1 thiab thaj chaw2.
Combustible hmoov av iiia, IIib, cheeb tsam IIIC 21 thiab Thaj 22
Ex-Mark:
Qhia DB IIC GB, EX TB IIIC DB.
ATEX CEST. Tsis tau .:SIS 20 ATEX 0471 u
Iecex ntawv pov thawj. Tsis yog.: Iecex sev 20.0016u