000 | 00529nam a22001337a 4500 | ||
---|---|---|---|
008 | 230725b |||||||| |||| 00| 0 eng d | ||
040 |
_aNational Science Library _cNational Science Library |
||
080 |
_aT 622.273 _bN2 |
||
245 |
_aWorkability indices of coal seams _c/ Funded from coal S & T Grant of Department of Coal, Ministry of Energy, Government of India December 1986 - December 1989 |
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260 |
_aDhanbad: _bCentral Mining Research Station, _c1992 |
||
300 | _a64p. | ||
650 | _aWorkability project | ||
942 |
_2udc _cREF |
||
999 |
_c54838 _d54838 |