Locus Origin: China Nomen notam: JCDRILL Exemplar Number: B36,B46,B56,B66,B76,B101,B116,B131,B146 Typus: Caput EXERCITATIO Tools / Accessories Materia: adamas / chalybe Utuntur: Mining, Geotechnica, Exploratio Nomen: Diamond Core EXERCITATIO Bit
