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Head: Derevianko Ivan Grigorovich. Check of standard СТ СЭВ 4409-83 " ЕСКД СЭВ. Building drawings. Rules of performance of drawings of wooden constructions. (popup.stage: ). The Technical Committee Assosiation "Wood Resources" for Wood Resources Standartization. № 0207U008591
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Updated: 2026-03-22
