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SY/T 5572-1993 Classification and general technical requirements of fishing tools for drilling
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SY/T 5572-1993 Classification and general technical requirements of fishing tools for drilling SY/T5572-1993 standard download dec
2025-03-25 category：Oil and gas industry standards (SY)+ View
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SY/T 5565-1993 Electronic water meter for water mixing
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SY/T 5565-1993 Water-mixed electronic water meter SY/T5565-1993 standard download decompression password: www.bzxz.net
2025-03-25 category：Oil and gas industry standards (SY)+ View
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SY 4032.6-1993 Petroleum Construction Project Quality Inspection and Assessment Standard Communication Engineering (Installation of Urban Telephone Exchange Equipment)
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SY 4032.6-1993 Petroleum Construction Project Quality Inspection and Assessment Standard Telecommunication Engineering (Installati
2025-03-25 category：Oil and gas industry standards (SY)+ View
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SY 4032.5-1993 Petroleum Construction Project Quality Inspection and Assessment Standard Communication Engineering (Long Distance Telephone Exchange Equipment Installation Engineering)
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SY 4032.5-1993 Petroleum Construction Project Quality Inspection and Assessment Standard Telecommunication Engineering (Long Dista
2025-03-25 category：Oil and gas industry standards (SY)+ View
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SY 4032.4-1993 Petroleum Construction Project Quality Inspection and Assessment Standard Communication Engineering (Long-distance Communication Open Line Carrier Telephone Installation Engineering)
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SY 4032.4-1993 Petroleum Construction Project Quality Inspection and Assessment Standard Communication Engineering (Long Distance
2025-03-25 category：Oil and gas industry standards (SY)+ View
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SY 4032.3-1993 Petroleum Construction Engineering Quality Inspection and Assessment Standard Communication Engineering (Communication Pipeline Engineering)
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SY 4032.3-1993 Petroleum Construction Engineering Quality Inspection and Assessment Standard Communication Engineering (Communicat
2025-03-25 category：Oil and gas industry standards (SY)+ View
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SY 4032.2-1993 Petroleum Construction Project Quality Inspection and Assessment Standard Communication Engineering (City Telephone Line Engineering)
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SY 4032.2-1993 Petroleum Construction Project Quality Inspection and Assessment Standard Communication Engineering (City Telephone
2025-03-25 category：Oil and gas industry standards (SY)+ View
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SY 4032.1-1993 Petroleum Construction Project Quality Inspection and Assessment Standard Communication Engineering (Long-distance Communication Open Line Engineering)
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SY 4032.1-1993 Petroleum Construction Project Quality Inspection and Assessment Standard Communication Engineering (Long-distance
2025-03-25 category：Oil and gas industry standards (SY)+ View
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