Пособие к СНиП II-23-81* Пособие по проектированию стальных конструкций

Пособие к СНиП II-23-81* Пособие по проектированию стальных конструкций

151 Pages · 2017 · 26.97 MB · Russian
by Ёшкин кот
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“ The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together. ” ― Carl Sagan
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