000 | 00409nam a2200121Ia 4500 | ||
---|---|---|---|
008 | 190711s9999 xx 000 0 und d | ||
082 | _a622.4 U58 | ||
100 | _aU.S. DEPARTMENT OF COMMERCE (NATIONAL TECHNICAL INFORMATION | ||
245 | 0 | _aERGONOMICS OF THE MAINTENANCE OF MINING EQUIPMENT INCLUDING ERGONOMIC PRINCIPLES | |
260 |
_aSPRINGFIELD _bU.S.DEPT.OF COMMERCE _c1985 |
||
300 | _a29X23 | ||
942 |
_cBK _2DDC |
||
999 |
_c21976 _d21976 |