000 00677nam a2200241Ia 4500
001 200021993
005 20260309011929.0
008 251210s9999 xx 000 0 und d
082 _aCaja 14
110 _aAmerican Petroleum Institute, API
_9105
245 0 _aFlanged steel pressure relief valves :
_bAPI Standard 526
246 _aAPI Standard 526 :
_b526
250 _a6th ed.
260 _aWashington :
_bAmerican Petroleum Institute, API,
_c2009.
270 _a14/08/2003
300 _a43 p.
650 _aNormas API
_9109
856 _u
_y
942 _cNORMA
999 _c69300
_d69300
650 _aNormalización
_9106
650 _aNormas API
_9109