GB 51227-2017Code for construction and acceptance of vertical shaft drilling (English PDF)
立井钻井法施工及验收规范
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Issued by
Ministry of Housing and Urban-Rural Development of the People's Republic of China; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Level / Type
National · Mandatory
Issue date
March 3, 2017
Implementation date
November 1, 2017
Scope
GB 51227-2017 is the English-translated version of 立井钻井法施工及验收规范.
GB 51227-2017 — Code for construction and acceptance of vertical shaft drilling
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Document preview — GB 51227-2017
National Standard of the People's Republic of China
- Classification
- P 71
Issued by: Ministry of Housing and Urban-Rural Development of the People's Republic of China; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Contents
- Document data1
Document data
Chinese classification (CCS): P71.
Estimated length of the Chinese original: 79,770 words.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 53 pages — is available in the English PDF.
Referenced standards
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GB 51227-2017
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