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SY/T 5993-1994 Gas Reservoir Engineering Information Code SY/T5993-1994 Standard Download Decompression Password: www.bzxz.net
SY/T 5679-1993 Lignite resin SPNH for drilling fluid SY/T5679-1993 standard download decompression password: www.bzxz.net
SY/T 5678-1993 Drilling and Completion Handover and Acceptance RulesSY/T5678-1993 Standard download and decompression password: ww
SY/T 5677-1993 Filter paper for drilling fluid SY/T5677-1993 Standard download decompression password: www.bzxz.net
SY/T 5661-1995 Viscosity enhancer for drilling fluid 80A51 SY/T5661-1995 Standard download decompression password: www.bzxz.net
SY/T 5660-1995 Coating agent PAC141, fluid loss reducer PAC142, fluid loss reducer PAC143 for drilling fluid SY/T5660-1995 standar
SY/T 5654-1993 Technical Specifications for Demulsification Tester for Petroleum and Synthetic FluidsSY/T5654-1993 Standard Downlo
SY/T 5641-2000 190 Series Natural Gas Engines for Petroleum and Natural Gas Industry SY/T5641-2000 Standard download decompression