发明授权
EP2505565B1 FUSED SILICA BODY WITH VITREOUS SILICA INNER LAYER, AND METHOD FOR MAKING SAME 有权
石英玻璃机身采用类似玻璃QUARZGLAS内层及其制造方法

FUSED SILICA BODY WITH VITREOUS SILICA INNER LAYER, AND METHOD FOR MAKING SAME
信息查询
0/0