000 00645nam a22002057a 4500
003 OSt
005 20240819115158.0
008 240819b ||||| |||| 00| 0 eng d
020 _qHardback
040 _bEng
_cPusat Penyelidikan Mineral, Jabatan Mineral Dan Geosains Malaysia
082 _a622.334 WOR
245 _aWork Study In Mines /
_cNational Coal Board
260 _aLondon :
_bNational Coal Board,
_c1979
300 _a275 p. :
_bill., forms ;
_c22 cm
500 _aIncludes Appendix 1 ( p. 270 - 274 )
650 _vMine management
_zGreat Britain
651 _vWork measurement
710 _bNational Coal Board
942 _2ddc
_cBK
999 _c25525
_d25525