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DZ 4-1981Geological Instrument Model methodology (English PDF)

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Issued by

Ministry of Land and Resources

Level / Type

National · Mandatory

Issue date

August 20, 1981

Implementation date

January 1, 1982

Scope

DZ 4-1981 (Geological Instrument Model methodology) is available as an English-translated PDF.

DZ 4-1981 is the Chinese standard "Geological Instrument Model methodology". Issued on 8/20/1981, in force from 1/1/1982.

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Document preview — DZ 4-1981

National Standard of the People's Republic of China

Classification: N91;N04

Document data

1 Document data

Sector: Geological Industry Standard.

Date of issue: 8/20/1981.

Date of implementation: 1/1/1982.

Chinese Standard Classification: N91;N04.

Length: about 12,199 characters in the Chinese original.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

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