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SY/T 5171-1999 Specification for Petroleum Geophysical Survey SY/T5171-1999 Standard download decompression password: www.bzxz.net
SY/T 5168-1999 Classification and Coding System for Parts of Petroleum Drilling and Production Equipment SY/T5168-1999 Standard do
SY/T 5234-1991 Calculation method of hydraulic parameters of jet drilling SY/T5234-1991 Standard download decompression password:
SY/T 5233-1991 Evaluation Procedure for Flocculants Used in Drilling FluidsSY/T5233-1991 Standard Download Decompression Password:
SY/T 5230-1991 Basic environmental test methods for petroleum exploration and development instruments Test C: Salt spray test SY/T
SY/T 5221-1991 Basic environmental test methods for petroleum exploration and development instruments Test B: Impact test SY/T5221
SY/T 5218-1991 Basic environmental test methods for petroleum exploration and development instruments Test A: High temperature tes
SY/T 5217-2000 Diamond Drill Bit and Diamond Coring Drill Bit SY/T5217-2000 Standard Download Decompression Password: www.bzxz.net