IEE CONVENTIONS LIMITED
(United Kingdom, 19 May 1998- )
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IET SERVICES LIMITED
(United Kingdom, 3 Jul 1967- )
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INSTITUTION OF ENGINEERING AND TECHNOLOGY
(India, 22 Nov 2007- )
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MADHAVI TECHNOLOGY LIMITED
(India, 7 Oct 2010- )
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THE INSTITUTION OF ENGINEERING AND TECHNOLOGY
(United Kingdom, 1 Jan 1981- )
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