HG/T 2911-1997 English PDF

US$599.00 · In stock
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HG/T 2911-1997: Photography. Source document microfilms. Determination of ISO speed and ISO average gradient

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
HG/T 2911-1997	599	Add to Cart	3 days	Photography. Source document microfilms. Determination of ISO speed and ISO average gradient

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Basic data

Standard ID: HG/T 2911-1997 (HG/T2911-1997)
Description (Translated English): Photography. Source document microfilms. Determination of ISO speed and ISO average gradient
Sector / Industry: Chemical Industry Standard (Recommended)
Classification of Chinese Standard: G81
Classification of International Standard: 37.040.20
Word Count Estimation: 17,163
Date of Issue: 5/23/1997
Date of Implementation: 10/1/1997
Older Standard (superseded by this standard): HG/T 2173-1991
Adopted Standard: ISO 9848-1993, IDT
Summary: This standard specifies the method for determination of ISO speed and ISO average gradient, which is determined mainly tungsten light source for exposure of the original microfilming with the first generation of black and white photographic negatives.

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