JS 17-4-2021
Graphical symbols - Safety colours and safety signs Part 4: Colorimetric and photometric properties of safety sign Materials (English Version)
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JS 17-4-2021
Standard No.
JS 17-4-2021
Language
Chinese,
Available in English version
Release Date
2021
Published By
JO-JSMO
Status
Be replaced
Replace By
JS 17-2006
Latest
JS 17-2006
JS 17-4-2021 history
2021
JS 17-4-2021
Graphical symbols - Safety colours and safety signs Part 4: Colorimetric and photometric properties of safety sign Materials
0000
JS 17-2006
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