00946nam a2200265Ia 4500 200019785 20260309010839.0 251210s9999 xx 000 0 und d Caja 19-A American Petroleum Institute, API 105 Special-Purpose couplings for petroleum, chemical, and gas industry services : ISO 10441:2001 (identical), petroleum, petrochemical and natural gas industries-Flexible couplings for mechanical power transmission -Special-purpose applications Std 671 : API 671 4th ed. Washington : American Petroleum Institute, API, 2007. 13/02/03 56 p. Equipos de refinación 246 NORMA 57043 57043 Normalización 106 Normas API 109 Refinación 39 Equipos de refinación 246