000 | 00334nam a2200121Ia 4500 | ||
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008 | 190711s9999 xx 000 0 und d | ||
082 | _a622.23 S128 | ||
100 | _aSAFETY ENGINEERING AND RESEARCH CENTER DERVER COLORADO | ||
245 | 0 | _aDRILLERS SAFETY MANUAL | |
260 |
_aJODHPUR _bSCIENTIFIC _c1986 |
||
300 | _a19X13 | ||
942 |
_cBK _2DDC |
||
999 |
_c20075 _d20075 |