4. Mining or in situ disintegration of hard material
  5. Processes
  6. Directly applying heat or vibration

Jean-Marie Fecteau

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Continous extraction of underground narrow-vein...

Mining or in situ disintegration of hard material – Processes – Directly applying heat or vibration
Reexamination Certificate

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Continous extraction of underground narrow-vein...

Mining or in situ disintegration of hard material – Processes – Directly applying heat or vibration
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2377228

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