特种石墨
- 网络Gratite; Graphite Specialties
特种石墨特种石墨
Gratite
ceramic ball valve,ceramic control valve... ... 增强聚四氟乙烯 Reinforced PTFE 特种石墨 Gratite 硬质合金 Stellite ...
Graphite Specialties
...石墨(Carbon and Graphite), 特种石墨(Graphite Specialties) 与西格里技术 (SGL Technology).