Harald BÜRKE,Diana TAUCH,Marcel SCHWEIGER,Wolfram HÖLAND,Christian RITZBERGER,Volker RHEINBERGER
申请号：
US14762612
公开号：
US20150374465A1
申请日:
2014.02.07
申请国别(地区):
US
年份:
2015
代理人:
摘要：
Blanks for dental purposes are described which have at least two layers, bonded to one another, of lithium silicate glasses and glass ceramics, wherein the layers differ in colour and the layers are monolithic.
