-
An optical glass which has excellent unsusceptibility to solarization and is prevented from generating platinum knots.
本发明用于制造耐老化性优异且铂节瘤的产生受到抑制的光学玻璃。
不可怀疑
An optical glass which has excellent unsusceptibility to solarization and is prevented from generating platinum knots.
本发明用于制造耐老化性优异且铂节瘤的产生受到抑制的光学玻璃。