共 50 条
- [42] DEVELOPMENT OF DIAMOND DRILLING BIT FOR DIRECTIONAL DRILLING BULLETIN OF THE TOMSK POLYTECHNIC UNIVERSITY-GEO ASSETS ENGINEERING, 2022, 333 (05): : 116 - 125
- [50] GROOVING AND SAWING-DRILLING CONTRACTORS MEET IN FLORIDA INDUSTRIAL DIAMOND REVIEW, 1974, 34 (MAY): : 168 - 169