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JB/T 14698-2023 English PDF

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JB/T 14698-2023: (Photography and projection (projection) objective lens classification)
Status: Valid
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 14698-2023English249 Add to Cart 3 days [Need to translate] (Photography and projection (projection) objective lens classification) Valid JB/T 14698-2023

PDF similar to JB/T 14698-2023


Standard similar to JB/T 14698-2023

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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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