4. Electric heating
  5. Metal heating
  6. Nonatmospheric environment at hot spot

Gerhard Engelhard

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Burner for wig welding

Electric heating – Metal heating – Nonatmospheric environment at hot spot
Patent

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Method and apparatus for welding two work pieces

Metal fusion bonding – Process – Using dynamic frictional energy
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1404694

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