000 00609nam a2200205 4500
005 20260608203244.0
008 260224s2013 dcu
082 _aCAJA 11
210 _aSpec 20B
245 0 0 _aOpen die shaped forgings for use in the petroleum and natural gas industry
_bAPI specification 20B
246 1 _aAPI 20B
250 _a1ra. ed.
260 _aWashington
_bAmerican Petroleum Institute, API
_c2013
270 _a11/07/2016 ; 02/05/2016
300 _a20 p.
773 _g
942 _cNORMA
110 2 _aAmerican Petroleum Institute, API
_9105
999 _c189532
_d189532