TY  - BOOK
ED  - India.
TI  - The coal mines regulations, 1957, as modified upto the 31st March 1967
AV  - KNS1393.M56 A3 1967a
U1  - 340 
PY  - 1967/// [cover 1968]
CY  - Delhi
PB  - Manager of Publications
KW  - Coal mines and mining
KW  - Safety regulations
KW  - India
ER  -