000 00737nam a2200241 4500
005 20260608203213.0
008 260224s1949 dcu
082 _aCaja archivo 1
210 _aStd 6C
245 0 0 _aFlanged steel gate and plug valves for drilling and production service
_bAPI Specification 6C
246 1 _aAPI 6C
250 _a7th. ed.
260 _aWashington
_bAmerican Petroleum Institute, API
_c1949
270 _a11/05/05 ; 22/04/2003
300 _a23 p.
500 _aDada de baja por API
773 _g
942 _cNORMA
110 2 _aAmerican Petroleum Institute, API
_9105
650 0 _aNormalización
_9106
650 0 _aNormas API
_9109
999 _c145462
_d145462