FR2779366A1 FR9807261A FR9807261A FR2779366A1 FR 2779366 A1 FR2779366 A1 FR 2779366A1 FR 9807261 A FR9807261 A FR 9807261A FR 9807261 A FR9807261 A FR 9807261A FR 2779366 A1 FR2779366 A1 FR 2779366A1 Authority FR France Prior art keywords drill lips cutting insert characterized Prior art date Legal status (The legal status is an assumption and is …
