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GB/T 39542.3-2020
GB/T 39542.3-2020 Mechanical pencils for technical drawings—Part 3:Black leads—Bending strengths of HB leads
Abstract
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.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Replaced |
| Standard Code | GB/T 39542.3-2020 |
| CCS | Cultural and educational items, sports equipment, and entertainment products |
| ICS | Other household and commercial equipment |
| Implement Date | 2020-07-21 |
Price
$ 24.00
Subtotal
$ 24.00
Tax
$ 0.00
Order Total (incl. tax)
$ 24.00