Opticglass, glass material for press molding, optical element blank, optical element and manufacture method thereof
Opticglass, glass material for press molding, optical element blank, optical element and manufacture method thereof
- CN 101,591,143 B
- Filed: 05/31/2009
- Issued: 01/20/2016
- Est. Priority Date: 05/30/2008
- Status: Active Grant
- EN CH
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- Pin
