JB/T 14698-2023 English PDF

US$249.00 · In stock
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JB/T 14698-2023: (Photography and projection (projection) objective lens classification)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 14698-2023	249	Add to Cart	3 days	(Photography and projection (projection) objective lens classification)	Valid

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Basic data

Standard ID: JB/T 14698-2023 (JB/T14698-2023)
Description (Translated English): (Photography and projection (projection) objective lens classification)
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: N43
Classification of International Standard: 37.040.10
Word Count Estimation: 11,112
Date of Issue: 2023-12-29
Date of Implementation: 2024-07-01
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the classification of photography and screening (projection) objective lenses, the main objective lens series, the basic parameters and dimensions of the main objective lenses, the relationship between the commonly used throw ratio of ultra-short focal length projection objective lenses and screen size, projection distance, product model naming principles and Model naming. This standard applies to the management of photography and projection (projection) objective lens products. This standard does not apply to photography and projection (projection) objectives for special purposes.

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