Locus Origin: China Nomen notam: JCDRILL Exemplar Number: AWL, BWL, BWL2, NWL, NWL2, HWL, PWL, SWL Typus: Caput EXERCITATIO Tools / Accessories Materia: adamas / chalybe Utuntur: Mining, Geotechnica, Exploratio Nomen: Diamond Core EXERCITATIO Bit
