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DZ/T 0055-1993Hydrological well drilling hard alloy bit (English PDF)

水文水井钻探硬质合金钻头

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Issued by

Ministry of Land and Resources

Level / Type

National · Recommended

Issue date

February 19, 1993

Implementation date

July 1, 1993

Scope

DZ/T 0055-1993 is the English-translated version of 水文水井钻探硬质合金钻头.

DZ/T 0055-1993 — This standard specifies the hydrogeologic and water well (the hydrological wells) drilling carbide drill classification, basic types and dimensions, technical requirements, inspection rules and methods and so on.

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Document preview — DZ/T 0055-1993

National Standard of the People's Republic of China

Classification: D 81

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the hydrogeologic and water well (the hydrological wells) drilling carbide drill classification, basic types and dimensions, technical requirements, inspection rules and methods and so on. This standard applies to the hydrological cycle and water well drilling circuitous turn positive drilling carbide drill (hereinafter referred to as alloy drill).

Document data

Chinese classification (CCS): D81.

Estimated length of the Chinese original: 16,115 words.

Standards quoted by this document

GB 222; GB 223; GB 226; GB 231; GB 2106; GB 4775; GB 9809; DZ 1.6

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 11 pages — is available in the English PDF.

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