00827nam0-22003131i-450-9900005573504033212000101087201 072 4000055735FED01000055735(Aleph)000055735FED0100005573520001010d--------km-y0itay50------baitay-------001yyBlowout preventionW. C. Goins Jr.6.ed.HoustonGulf Pub.198123 cm214 p. + tav. fuori testoPractical drilling technology1Goins,W. C. JR.341219ITUNINARICAUNIMARCBK99000055735040332105 68 822811DININDININBlowout prevention319910UNINAING01