Report - 12815—80* 3249-81, 3250-812, 3251—81) 1233—67 1234 …weldflange.com/pdf/GOST-12815-Flanges-standard-for-valves-fittings... · УДК 621.643.412:006.354 Группа Г18 ГОСУДАРСТВЕННЫЙ

Select PornographicDefamatoryIllegal/UnlawfulSpamOther Terms Of Service ViolationFile a copyright complaint

Please pass captcha verification before submit form