GB/T 9862-1988Method for determining the speed and average gradient of black-and-white aerial camera films (English PDF)
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
September 20, 1988
Implementation date
May 1, 1989
Scope
GB/T 9862-1988 (Method for determining the speed and average gradient of black-and-white aerial camera films) is available as an English-translated PDF.
GB/T 9862-1988 — This standard specifies the method for the determination of black and white film speed and average gradient aviation, including testing theory, instrumentation, sampling, exposure and washing, general requirements density measurement, calculation methods and so on.
This standard applies to air speed and average gradient of black and white tablets.
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Document preview — GB/T 9862-1988
National Standard of the People's Republic of China
- ICS
- 37.040.20
- Classification
- G 80
Issued by: State Bureau of Technical Supervision
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the method for the determination of black and white film speed and average gradient aviation, including testing theory, instrumentation, sampling, exposure and washing, general requirements density measurement, calculation methods and so on. This standard applies to air speed and average gradient of black and white tablets. This standard does not apply to the determination of black and white infrared aerial film speed used.
Document data
International classification (ICS): 37.040.20.
Chinese classification (CCS): G80.
Estimated length of the Chinese original: 11,141 words.
Adopted international standard: ISO 7829-1986, MOD.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.
Referenced standards
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