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GB 12518-1990Geological exploration instruction of bentonite deposit (English PDF)

膨润土矿地质勘探规范

GB 12518 | Evolution and historical versions

Std ID	Title	Status
GB 12518-1990	Geological exploration instruction of bentonite deposit	Obsolete

GB 12518-1990 is obsolete. This page sells the obsolete edition, for projects and contracts that still cite it.

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Issued by

Ministry of Land and Resources

Level / Type

National · Mandatory

Issue date

January 1, 1990

Implementation date

August 1, 1991

Scope

GB 12518-1990 is the English-translated version of 膨润土矿地质勘探规范.

GB 12518-1990 is the Chinese national standard "Geological exploration instruction of bentonite deposit". It was issued on January 1, 1990 by the Ministry of Land and Resources, and took effect on August 1, 1991. It is obsolete: it has been withdrawn (abolished on October 14, 2005).

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Document preview — GB 12518-1990

National Standard of the People's Republic of China

Issued by: Ministry of Land and Resources

Document data

1 Document data

Sector: National standard (Mandatory).

Issuing body: Ministry of Land and Resources.

Date of issue: 1990-01-01.

Date of implementation: 1991-08-01.

Status: obsolete, withdrawn on 2005-10-14.

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

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