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AU124640B2 - Process forthe production of optical or photographic filters - Google Patents

Process forthe production of optical or photographic filters

Info

Publication number
AU124640B2
AU124640B2 AU20217/45A AU2021745A AU124640B2 AU 124640 B2 AU124640 B2 AU 124640B2 AU 20217/45 A AU20217/45 A AU 20217/45A AU 2021745 A AU2021745 A AU 2021745A AU 124640 B2 AU124640 B2 AU 124640B2
Authority
AU
Australia
Prior art keywords
optical
process forthe
forthe production
photographic filters
photographic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU20217/45A
Other versions
AU2021745A (en
Inventor
Enoch Kerridge Frank
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU124640B2 publication Critical patent/AU124640B2/en
Publication of AU2021745A publication Critical patent/AU2021745A/en
Expired legal-status Critical Current

Links

AU20217/45A 1945-04-16 Process forthe production of optical or photographic filters Expired AU124640B2 (en)

Publications (2)

Publication Number Publication Date
AU124640B2 true AU124640B2 (en) 1947-07-03
AU2021745A AU2021745A (en) 1947-07-03

Family

ID=

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