GB 4706.61-2002
Replaced
GB/T 39542.2-2020
Replaced
National standards
GB/T 39542.2-2020 Mechanical pencils for technical drawings—Part 2:Black leads—Classification and dimensions
GB/T 39542.2-2020 Mechanical pencils for technical drawings—Part 2:Black leads—Classification and dimensions
Price:
$ 24.00
Basic Information
Standard Code:
GB/T 39542.2-2020
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 classification and dimensions of black lead cores for mechanical pencils.
This part applies to two types of black lead cores:
——Resin lead cores (marked with the letter "P");
——Graphite lead cores (marked with the letter "C").
Development Information
Same series standard
Superseded by the following standards
Referenced Standards
ISO 128(所有部分)
ISO 9177-1
Adopt standards
ISO 9177-2:1989
Related Standards
GB 4706.66-2003
Replaced
GB 4706.66-2003 Safety of household and similar electrical appliances—Particular requirements for pumps
GB 4706.74-2004
Replaced
GB 4706.74-2004 Safety of household and similar electrical appliances—Particular requirements for sewing machines
GB 4706.76-2004
Replaced
GB 4706.76-2004 Household and similar electrical appliances—Safety—Particular requirements for insect killers
GB 4706.18-2005
Replaced
GB 4706.18-2005 Household and similar electrical appliances—Safety—Particular requirements for battery chargers
GB 4706.81-2006
Replaced