000 00761nam a2200241Ia 4500
001 200021847
005 20260309011705.0
008 251210s9999 xx 000 0 und d
082 _aCaja 12
110 _aAmerican Petroleum Institute, API
_9105
245 0 _aRecommended practices for testing high-strenght proppants used in hydraulic fracturing operations :
_bAPI recommended practice 60
246 _aAPI recommended practice 60 :
_b60
250 _a2nd ed.
260 _aWashington :
_bAmerican Petroleum Institute, API,
_c1995.
270 _a10/01/03
300 _a15 p.
650 _aNormalización
_9106
856 _u
_y
942 _cNORMA
999 _c69264
_d69264
650 _aNormas API
_9109
650 _aNormalización
_9106