000 00722nam a2200241Ia 4500
001 200021638
005 20260309005912.0
008 251210s9999 xx 000 0 und d
082 _aCaja 19-A
110 _aAmerican Petroleum Institute, API
_9105
245 0 _aGeneral purpose gear units for petroleum, chemical, and gas industry services :
_bAPI standard 677
246 _aStd 677 :
_bAPI 677
250 _a3rd ed.
260 _aWashington :
_bAmerican Petroleum Institute, API,
_c2006.
270 _a13/02/03
300 _avii, 81 p.
650 _aNormalización
_9106
856 _u
_y
942 _cNORMA
999 _c56347
_d56347
650 _aNormas API
_9109
650 _aNormalización
_9106