div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: PS270 · 50014ff EN 60947-1 EN 60439-1 GOST R 51330ff Russia PN-EN 50014ff Poland 500 USA NECUSA 505USA CEC Canada Gaseous and dust filled atmospheres Zone src=https:reader034vdocumentinreader034viewer2022051409601ec57793f7454b6227d973html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: PS270 · 50014ff EN 60947-1 EN 60439-1 GOST R 51330ff Russia PN-EN 50014ff Poland 500 USA NECUSA 505USA CEC Canada Gaseous and dust filled atmospheres Zone src=https:reader034vdocumentinreader034viewer2022051409601ec57793f7454b6227d973html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv