GB 4706.61-2002
Replaced
GB/T 39542.3-2020
Replaced
National standards
GB/T 39542.3-2020 Mechanical pencils for technical drawings—Part 3:Black leads—Bending strengths of HB leads
GB/T 39542.3-2020 Mechanical pencils for technical drawings—Part 3:Black leads—Bending strengths of HB leads
Price:
$ 24.00
Basic Information
Standard Code:
GB/T 39542.3-2020
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Cultural and educational items, sports equipment, and entertainment products
ICS Name:
Other household and commercial equipment
Publish Date:
2020-07-21
Implement Date:
2020-07-21
Pages:
8 pages
Scope
This part of GB/T 39542 specifies the bending strength and test methods of black lead cores with a hardness grade of HB for technical drawing pencils.
Development Information
Same series standard
Superseded by the following standards
Referenced Standards
Adopt standards
ISO 9177-3:1994
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