The flow of gases and proportioning gas mains. Explanatory of four diagrams for solving at a glance the various problems involved in proportioning gas mains and services
Автор: Cripps Frederick Southwell, 32 стр., издатель: "Книга по Требованию", ISBN: 1176617478| Под заказ: | ||||
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4 из 5, 7 голос(-ов).