Claus Christ
Произведения автора 2
Только полные версии книг
РОМАНЫ и ПОВЕСТИ
электронная книга
Год написания книги 2019
Production-integrated environmental protection is synonymous with – reducing the amount of potential pollutants at source – reducing the consumption of resources and energy – recycling and utiliz…
электронная книга
Год написания книги 2019
Production-integrated environmental protection is synonymous with – reducing the amount of potential pollutants at source – reducing the consumption of resources and energy – recycling and utiliz…