Photochromic Optical Glass For Spectacle Lenses

The main characteristics of Heliovar lenses and blanks are described.

Author

H-G Byhan, H-J Pohl

Origin

Veb Carl Zeiss, Jena

Journal Title

Jena Review 1989 2 85-86

Sector

Special Glass

Class

S 310

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Journal Title Jena Review 1989 2 85-86

Class S 310

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