نتایح جستجو

( The Chemistry and Technology of Petroleum ( Fourth edition by : James G. Speight CRC press ISBN-13: 978-0-8493-9067-8 ) ISBN-10: 0-8493-9067-2 ) Pages:955 / PDF / 8.9 Mb For many years, petroleum has been regarded as the cheapest source of liquid fuels by many countries, especially the...