Содержание
Слайд 3Steel pipes are divided by class:
Pipe for water and gas (водогазопроводные)
Electrically: welded;
Steel pipes are divided by class:
Pipe for water and gas (водогазопроводные)
Electrically: welded;

spiral; for oil and gas pipelines
profile: square, rectangular, oval
seamless
profile: square, rectangular, oval
seamless
- Предыдущая
Блокада Ленинграда