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This standard specifies the basic parameters, technical requirements, test methods, inspection rules, marking and packaging of con
SY/T 5056-1993 Eccentric roller shaperSY/T5056-1993 Standard download decompression password: www.bzxz.net
SY/T 5053.2-2001 Surface Blowout Preventer and Control Device Control Device SY/T5053.2-2001 Standard Download Decompression Passw
SY/T 5053.1-2000 Surface Blowout Preventer and Control Device Blowout Preventer SY/T5053.1-2000 Standard Download Decompression Pa
SY/T 5050-1993 Use and maintenance of beam pumping units SY/T5050-1993 standard download decompression password: www.bzxz.net
SY/T 5048-1994 Specification for installation, operation and maintenance of 190 series diesel engines for oil drilling rigsSY/T504
SY/T 5046.4-2002 Seismic Geophone Part 4: Moving Coil Accelerometer SY/T5046.4-2002 Standard download decompression password: www.
SY/T 5046.3-2002 Seismic Geophone Part 3: Eddy Current Geophone SY/T5046.3-2002 Standard download decompression password: www.bzxz