Backstrom Holger G.
Basford John
Berlaimont Claude
Bourbon Raymond
Centre Technique Industriel dit "Centre Technique des Industries
Champion Raymond
Corbet John S.
Fujii Shigekazu
Godijn Willem
Hemming James R.
Irita Toshiyuki
Kent Svensson
Kumazawa Katsuyoshi
Parker Ronald G.
Poulton & Son (Refractories) Limited
Research Instituut "Sesto" B.V.
Sakamoto Moriyoshi
Svensson Kent
Thermic Investment
Yoshino Tooru