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Jean-Pierre Zumbrunn
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Claix, FR
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last 30 patents
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Patent Grant
Process and apparatus for heat treating articles while hardening in...
Patent number
5,158,625
Issue date
Oct 27, 1992
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Benoit Lhote
C21 - METALLURGY OF IRON