| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| GB/T 39011.3-2020 | English | 239 | Add to Cart | Days<=3 | Mechanical pencils for technical drawings - Part 3: Black leads--Bending strengths of HB leads | GB/T 39011.3-2020 | Obsolete | GB/T 39011.3-2020 |