Mining accidents and their prevention /
Aber, Frederick August, Baron, 1826-1902,
Mining accidents and their prevention / By sir frederick augustus Abel ; with discussion by leading experts, also the United States, british, and prussian laws regulating the working of coal mines - 421 páginas
Accidentes en minas
Derecho minero
QE157 / A34
Mining accidents and their prevention / By sir frederick augustus Abel ; with discussion by leading experts, also the United States, british, and prussian laws regulating the working of coal mines - 421 páginas
Accidentes en minas
Derecho minero
QE157 / A34