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"इस्पात": अवतरणों में अंतर

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== बाहरी कड़ियाँ ==
* [httphttps://web.archive.org/web/20190827105918/https://www.worldsteel.org/ World Steel Association (worldsteel)]
* [https://web.archive.org/web/20141006094919/http://steeluniversity.org/ steeluniversity.org: Online steel education resources from worldsteel and the University of Liverpool]
* [https://web.archive.org/web/20150106211900/http://www.stahlseite.de/ Extensive picture gallery of iron and steel production methods in North America and Europe. In German and English.]
* [https://web.archive.org/web/20120119103026/http://www.steelcmart.com/ Steel Mart (Steel Supplier)]
 
==सन्दर्भ==
"https://hi.wikipedia.org/wiki/इस्पात" से प्राप्त