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SY 5304-1987 General technical requirements for forgings for petroleum drilling machinery products
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SY 5304-1987 General technical requirements for forgings for petroleum drilling and production machinery products SY5304-1987 stan
2025-03-20 category：Oil and gas industry standards (SY)+ View
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SY 5303-1987 General technical requirements for ductile iron castings for petroleum drilling and production machinery products
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SY 5303-1987 General technical requirements for ductile iron castings for petroleum drilling and production machinery products SY5
2025-03-20 category：Oil and gas industry standards (SY)+ View
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SY 5302-1987 General technical requirements for grey iron castings for petroleum drilling and production machinery products
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SY 5302-1987 General technical requirements for grey iron castings for petroleum drilling and production machinery products SY5302
2025-03-20 category：Oil and gas industry standards (SY)+ View
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SY 5301-1987 General technical specifications for carbon steel and ordinary alloy steel castings for petroleum drilling and production machinery products
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SY 5301-1987 General Specifications for Carbon Steel and Ordinary Alloy Steel Castings for Petroleum Drilling Machinery SY5301-198
2025-03-20 category：Oil and gas industry standards (SY)+ View
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SY 5299-1991 Cable-type bridge plug operation procedures
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SY 5299-1991 Cable-type bridge plug operation proceduresSY5299-1991 Standard download decompression password: www.bzxz.net
2025-03-20 category：Oil and gas industry standards (SY)+ View
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SY 5286-1991 Floor Slide
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SY 5286-1991 Floor Slide SY5286-1991 Standard download decompression password: www.bzxz.net
2025-03-20 category：Oil and gas industry standards (SY)+ View
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SY 5285-1991 Milling shoes and grinding shoes for well repair
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This standard applies to the types and basic parameters, technical requirements, test methods, inspection rules, marking, packagin
2025-03-20 category：Oil and gas industry standards (SY)+ View
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SY 5283-1991 Quality classification of pneumatic components for oil drilling equipment
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SY 5283-1991 Quality classification of pneumatic components for oil drilling equipment SY5283-1991 standard download decompression
2025-03-20 category：Oil and gas industry standards (SY)+ View
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