div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: GlassecViracon · 2017 4 4 · The NBR 10151 version In force deals with the community noise dates from 2000 The NBR 10152 dates from 1987 and deals with acoustic comfort In src=https:reader036vdocumentsmxreader036viewer2022071508612931e13f29f137d0411b4fhtml5thumbnails1jpg 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: GlassecViracon · 2017 4 4 · The NBR 10151 version In force deals with the community noise dates from 2000 The NBR 10152 dates from 1987 and deals with acoustic comfort In src=https:reader036vdocumentsmxreader036viewer2022071508612931e13f29f137d0411b4fhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: GlassecViracon · 2017 4 4 · The NBR 10151 version In force deals with the community noise dates from 2000 The NBR 10152 dates from 1987 and deals with acoustic comfort In src=https:reader036vdocumentsmxreader036viewer2022071508612931e13f29f137d0411b4fhtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv