AU354731A - Improved process and device for obtaining photographic means of invisible light rays - Google Patents

Improved process and device for obtaining photographic means of invisible light rays

Info

Publication number
AU354731A
AU354731A AU3547/31A AU354731A AU354731A AU 354731 A AU354731 A AU 354731A AU 3547/31 A AU3547/31 A AU 3547/31A AU 354731 A AU354731 A AU 354731A AU 354731 A AU354731 A AU 354731A
Authority
AU
Australia
Prior art keywords
light rays
improved process
invisible light
photographic means
obtaining 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
AU3547/31A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of AU354731A publication Critical patent/AU354731A/en
Expired legal-status Critical Current

Links

AU3547/31A 1931-08-17 Improved process and device for obtaining photographic means of invisible light rays Expired AU354731A (en)

Publications (1)

Publication Number Publication Date
AU354731A true AU354731A (en) 1931-12-24

Family

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