E - Fixed Constructions – 21 – B
Inventor
E - Fixed Constructions
21
B
Inventor
Country: France
Divergent bean for drilling tools; tool using said bean
Drilling head with a cone rock bit
Drilling tool with irrigation system using a fluid...
Drilling tool with rotary conical cutting wheels
Drilling tool with shock dampers
Divergent bean for drilling tools; tool using said bean
Drilling tool with irrigation system using a fluid...
Drilling tool with rotary conical cutting wheels
Self-shaping drill cutting edge
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Profile ID: LFCA-PAI-P-1271307