CH Patent: 163,916 - Method and Device for Shortening the Exposure Time of Photographic Lens Shutters


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CH Patent: CH-163,916

Verfahren Und Einrichtung Zur Verkürzung Der Belichtungszeit Bei Photographischen Objektivverschlüssen
Method and Device for Shortening the Exposure Time of Photographic Lens Shutters

Patentee:

USPTO Classifications:

Tool Categories:

Assignees:

Friedrich Deckel Praezisions Mechanik und Maschinenbau - Munich, Germany

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Mar. 19, 1931
Granted:	Sep. 15, 1933

Patent Pictures:

Espacenet patent
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Friedrich Deckel GmbH