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a brief history of iron and steel manufacture

This is a brief history of iron and steel production from its earliest origins through the 20th century with a special focus on the career of Andrew Carnegie and on the economic impact of cheap and abundant steel... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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