000 00748nam a2200217 4500
001 0011742
005 20260608202722.0
008 260224s1978 xxu
082 _a620.86 P497 0011742
245 0 0 _aGuide to safe stairways, walkways, and railings
260 _aAustin, Texas
_bPetroleum Extension Service
_c1978
270 _a07/09/06 ; 28/06/2006
300 _a14 p.
773 _g
942 _cLIBRO
110 2 _aPetroleum Extension Service
_924109
110 2 _aInternational Association of Drilling Contractors, IADC
_94807
650 0 _aSeguridad en perforación de pozos
_920659
710 2 _aInternational Association of drilling contractors, IADC
_94813
999 _c152683
_d152683