000 00694nam a2200241Ia 4500
001 200024253
005 20260309012134.0
008 251210s9999 xx 000 0 und d
082 _aCaja archivo 1
110 _aAmerican Petroleum Institute, API
_9105
245 0 _aRecommended practice for drilling machinery :
_bAPI Recommended Practice 7H
246 _aRP 7H :
_bAPI 7H
250 _a2nd. ed.
260 _aWashington :
_bAmerican Petroleum Institute, API,
_c1981.
270 _a22/04/2003
300 _a9 p.
650 _aNormas API
_9109
856 _u
_y
942 _cNORMA
999 _c69564
_d69564
650 _aNormalización
_9106
650 _aNormas API
_9109