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Submitted on: 05 April 2020.
Revised on: 27 July 2020.
Accepted on: 16 September 2020.
___________________INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS
Submitted on: 07 July 2007.
Revised on: 03 October 2007.
Accepted on: 26 November 2007.
___________________INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS
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Submitted on: 20 March 2004.
Revised on: 17 July 2004.
Accepted on: 29 July 2004.
___________________INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS
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