4. E - Fixed Constructions
  5. 21
  6. B

Pierre Ravat

E - Fixed Constructions – 21 – B

Inventor

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Inventor

Country: France

A one-piece drill bit for single-pass anchor bolting and...

E - Fixed Constructions – 21 – B
Patent

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Single pass drilling apparatus, use a one -piece drill bit,...

E - Fixed Constructions – 21 – B
Patent

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Profile ID: LFCA-PAI-P-1354313

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