Prevention of accidents due to electricity underground in coal mines.
Prevention of accidents due to electricity underground in coal mines.
- Geneva, 1959.
- v, 54 p. 18 cm.
At head of title: I. L. O. codes of practice.
l 59000148
Coal mines and mining--Safety measures.
Electricity in mining.
TN343 / .I63
622.8
At head of title: I. L. O. codes of practice.
l 59000148
Coal mines and mining--Safety measures.
Electricity in mining.
TN343 / .I63
622.8