GA/T 1677-2019 English PDF

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GA/T 1677-2019: Forensic sciences--Technical specifications for examination of morphological features of three-dimensional footwear impressions
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GA/T 1677-2019	139	Add to Cart	3 days	Forensic sciences--Technical specifications for examination of morphological features of three-dimensional footwear impressions	Valid

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Basic data

Standard ID: GA/T 1677-2019 (GA/T1677-2019)
Description (Translated English): Forensic sciences--Technical specifications for examination of morphological features of three-dimensional footwear impressions
Sector / Industry: Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard: A92
Classification of International Standard: 13.310
Word Count Estimation: 6,656
Date of Issue: 2019
Date of Implementation: 2019-12-01
Issuing agency(ies): Ministry of Public Security

GA/T 1677-2019: Forensic sciences--Technical specifications for examination of morphological features of three-dimensional footwear impressions

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Forensic sciences--Technical specifications for examination of morphological features of three-dimensional footwear impressions ICS 13.310 A92 Public Safety Industry Standards of the People's Republic of China Image features of forensic stereoscopic shoe prints Inspection Technical Specifications Published on October 14,.2019 2019-12-01 Implementation Issued by the Ministry of Public Security of the People's Republic of China

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some content of this document may involve patents. The issuer of this document does not assume responsibility for identifying these patents. This standard was proposed by the National Criminal Technology Standardization Technical Committee Trace Inspection Sub-Committee (SAC/TC179/SC9) and Be in charge. This standard was drafted by. China Criminal Police Academy, Ministry of Public Security Material Evidence Appraisal Center. The main drafters of this standard. Tang Qingming, Liu Jin, Gao Yi, Dong Jiaying, Ma Yue, Yao Li, Shi Limin, Liu Weiping, Feng Lei. Image features of forensic stereoscopic shoe prints Inspection Technical Specifications

1 Scope

This standard specifies the classification of three-dimensional shoeprint image features and the principles, equipment, operation procedures, inspection records and inspection opinions of inspection. This standard is applicable to the examination of the image characteristics of forensic three-dimensional shoe prints and the preparation of related legal documents.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document. GB/T 23865-2009 Proportional photography rules

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Sole wearing characteristics solewearcharacteristic The shoe print reflects the change in the structure of the sole due to friction, squeezing, bending, etc. during the wearing of the shoe feature. 3.2 Sole repairing characteristics solerepairingcharacteristic The shoeprint reflects the characteristics of the shoe sole structure during the repair process, due to seam repair, nail repair, adhesive repair, etc.

4 Principle

Affected by factors such as manufacturing, use, maintenance and preservation, the pattern structure, manufacturing process, modification and defect characteristics of each (pair) shoe Signs are different and can be reflected on shoe prints. According to the same identification theory, shoe types and individuals can be identified.

5 Equipment

Photographic equipment, gypsum powder, measuring tools such as rulers, protractors, sub-gauges, special pencils, transparent film, grid film, copy film, zoom Mirrors, microscopes, scanners, etc.

6 Operation steps

6.1 Preliminary inspection 6.1.1 Understand the acceptance situation, the leftover of the inspection material shoeprint, the extraction situation and the production situation of the sample shoeprint. ......

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