QB/T 1023-2018
mechanical pencil (English Version)
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QB/T 1023-2018
Standard No.
QB/T 1023-2018
Language
Chinese,
Available in English version
Release Date
2018
Published By
工业和信息化部
Latest
QB/T 1023-2018
Replace
QB/T 1023-2007
QB/T 1023-2018 history
2018
QB/T 1023-2018
mechanical pencil
2007
QB/T 1023-2007
Mechanical pencils
1991
QB/T 1023-1991
mechanical pencil
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