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

Chinese National Standard Category: Structural members of electrical devices

English Title: Louver Hole Pattern and Dimension Series
Chinese Title: 百叶窗孔型式及尺寸系列
Standard No.: QJ 648-1981
Category No.: V27
Issued by:
Issued on: 1981-12-31
Implemented on: 1982-10-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:
Word Count:2500 words
Similar Standards: QJ 1909.3A-2008   QJ 1909.4A-2008   QJ 1909.1A-2008   QJ 1909.5A-2008   QJ 1909.2A-2008   HJ/T 301-2007   HB 4-1997-1974   HB 7037-1994   HB 6890-1993   QJ 1292-1987   QJ 1474-1988   HB 6099-1986   QJ 839-1984   HB 6-1977-1983   HB 6-77-1983   HB 5798-1982   HB 5797-1982   QJ 648-1981   HB 4-113-1974   HB 4-114-1974  
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