[国外标准] DIN 6330-2003 1.5d厚的六角螺母
[国外标准] DIN 6330-1991 厚六角螺母
[国外标准] BS EN ISO 6330-2009 Textiles— Domestic washing and drying procedures for textile testing
[机械行业标准] JB/T 6330-2019 TG1型管状端头
[石油行业标准] SY/T 6330-1997 油田油气集输信息代码
[机械行业标准] JB/T 6330-1992 TG1型管状端头