?????о?塪????????????
??????????棺
?????о??????????????????????????????к????????????????????????г??1000??C??????????????о?????????淶M.I14/09/61??91???D.M.30/11/83????????????????1??50mm???????о??RE130 80mm???????о??REL60 100mm???????о??REL 120??
??????????棺
???????????о??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????ISO 717/82??UNI 8270/7?淶?????????120kg/m3??????о????о?壬????Ч???????RW=29-30 dB
???????????о???????м????????Ч????????????????????Χ?????????????ISO 35/85?淶???????о????????????????DELTA LA=15.7dB(A).
