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

Publish Date: 2020-07-21 Implement Date: 2020-07-21 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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
Publisher: 国家市场监督管理总局、国家标准化管理委员会
Technical Committee: 全国制笔标准化技术委员会(SAC/TC 378)
Pages: 8 pages

Scope

GB/T 39542的本部分规定了技术制图活动铅笔用硬度等级为HB的黑铅芯弯曲强度和试验方法。

Development Information

Drafting Units:

哈尔滨天坛铅芯有限责任公司、上海市制笔工业研究所、上海晨光文具股份有限公司、贝发集团股份有限公司、安硕文教用品(上海)股份有限公司、青岛英格文教制品有限责任公司、深圳齐心集团股份有限公司、温州爱好笔业有限公司

Drafting Persons:

郭树新、张晓亮、陈景强、姚鹤忠

Word Count: 10 Thousand words Pages: 8 pages

Same series standard

Superseded by the following standards

Referenced Standards

Adopt standards

ISO 9177-3:1994

Related Standards

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