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Database: 189760 (18 Oct 2025)
JB/T 1787-2017 English PDF
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JB/T 1787-2017
: 16 mm motion-picture projection lenses. Technical specifications
Status: Valid
JB/T 1787: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
JB/T 1787-2017
English
189
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3 days [Need to translate]
16 mm motion-picture projection lenses. Technical specifications
Valid
JB/T 1787-2017
JB/T 1787-2006
English
319
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3 days [Need to translate]
Technical specification of 16mm motion picture. Projection lens
Obsolete
JB/T 1787-2006
JB/T 1787-1991
English
239
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2 days [Need to translate]
(16mm film screenings objective technical conditions)
Obsolete
JB/T 1787-1991
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JB/T 9408
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JB/T 1786
Basic data
Standard ID
JB/T 1787-2017 (JB/T1787-2017)
Description (Translated English)
16 mm motion-picture projection lenses. Technical specifications
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
N43
Classification of International Standard
37.060.10
Word Count Estimation
8,894
Date of Issue
2017-11-07
Date of Implementation
2018-04-01
Older Standard (superseded by this standard)
JB/T 1787-2006
Quoted Standard
GB/T 13384; GB/T 25480; JB/T 9409
Regulation (derived from)
Ministry of Industry and Information Technology Bulletin 2017 No. 48
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the basic parameters and dimensions, technical requirements, test methods, inspection rules, and marking, packaging, transportation and storage of 16mm film projection objectives. This standard does not apply to special-purpose objective lenses or additional mirrors such as zoom, super wide angle, deformation and zoom.