Christian Ritzberger,Elke Apel,Wolfram Höland,Volker Rheinberger
申请号:
US14001185
公开号:
US09695082B2
申请日:
2012.10.11
申请国别(地区):
US
年份:
2017
代理人:
摘要:
Lithium silicate glass ceramics and glasses containing specific oxides of tetravalent elements are described which crystallize at low temperatures and are suitable in particular as dental materials.