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SY/T 5274-2000 Resin coated sandSY/T5274-2000 standard download decompression password: www.bzxz.net
SY/T 5271-2000 Determination of the sticking point and explosive loosening methodSY/T5271-2000 standard download decompression pas
This standard specifies the material, strength design, nondestructive testing and pressure test requirements for elbows, tees, red
This specification specifies the basic requirements for the design, manufacture, inspection and acceptance of fire tube heating fu
SY/T 5254-2000 Openhole well logging data processing symbols and codes SY/T5254-2000 standard download decompression password: www
SY/T 5253-1991 Natural gamma ray spectrum analysis method for rock cores High purity germanium detector method SY/T5253-1991 stand
SY/T 5252-2002 Natural gamma ray spectrum analysis method for rock samplesSY/T5252-2002 standard download decompression password:
SY/T 5249-2000 Ground Hydraulic Driven Vibrator VehicleSY/T5249-2000 Standard download decompression password: www.bzxz.net