Locus Origin: China Nomen notam: JCDRILL Exemplar Number: T6 76, T6 86, T6 101, T6 116, T6 131, T6 146, T6S 101 Typus: Caput EXERCITATIO Tools / Accessories Materia: adamas / chalybe Utuntur: Mining, Geotechnica, Exploratio Nomen: Diamond Core EXERCITATIO Bit
