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SY/T 5046.1-2000 Seismic Geophones Part 1: Moving Coil Geophones SY/T5046.1-2000 Standard download decompression password: www.bzx
SY/T 5044-2000 Beam Pumping Unit SY/T5044-2000 Standard Download Decompression Password: www.bzxz.net
SY/T 5043-1993 General technical requirements for pneumatic components for petroleum drilling equipment SY/T5043-1993 standard dow
SY/T 5040-2000 Spiral welded steel pipe for pilesSY/T5040-2000 Standard download decompression password: www.bzxz.net
SY/T 5038-1992 Spiral seam high frequency welded steel pipe for general fluid transportation pipelineSY/T5038-1992 Standard downlo
This standard specifies the dimensions, shape, weight, technical requirements, test methods, inspection rules, coating, marking an
SY/T 5031-1999 Specification for reciprocating internal combustion engines for oil fieldsSY/T5031-1999 Standard download decompres
SY/T 5030-2000 190 Series Diesel Engine for Oil Drilling Rigs SY/T5030-2000 Standard Download Decompression Password: www.bzxz.net