Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services

International Standard Category: Carbon materials

GB/T 39978-2021    Nanotechnology—Resistivity of carbon nanotube powder—Four probe method
纳米技术 碳纳米管粉体电阻率 四探针法 ;
Category No.:59.100.20 Valid Status:valid
Issued Organization:SAMR; SAC Issued Date:2021-05-21
Implemented Date:2021-12-1 Abolished Date:
Superseded Standard.: Superseded Date:
Back          Detail

Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886
Copyright: Foryou Tech Co., Ltd. 2008-2020