| |||
| уклон внутренних поверхностей раструба (The maximum included internal angle of the socketed portion shall not exceed 0°30' (30 мин). ISO1452-2 OLGA P.) | |||
| |||
| уклон внутренних поверхностей раструба (The maximum included internal angle of the socketed portion shall not exceed 0°30' (30 мин). ISO1452-2 OLGA P.) | |||
