4. C - Chemistry, Metallurgy
  5. 22
  6. B

Jean-Louis Helary

C - Chemistry – Metallurgy – 22 – B

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Device for centering and guiding a roller supporting a heavy...

F - Mech Eng,Light,Heat,Weapons – 16 – M
Patent

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Method and apparatus for the elaboration of pure alloyed...

C - Chemistry – Metallurgy – 22 – B
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Preparation of metal ingots from the corresponding metal oxides

H - Electricity – 05 – B
Patent

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Structure that can be erected and dismantled on the fuel...

G - Physics – 21 – C
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Profile ID: LFCA-PAI-P-213486

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