Boring or penetrating the earth
Bit or bit element
Specific or diverse material
Inventor
active
Composite polycrystalline cutting element with improved fracture
Earth-boring bit with super-hard cutting elements
Earth-boring bit with super-hard cutting elements
Trench-gate semiconductor devices and their manufacture
Trench-gate semiconductor devices having a...
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Profile ID: LFUS-PAI-P-1265649