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Optical & Optics
Class Information
Number:
396/640
Name:
Photography
>
Fluid-treating apparatus
>
Photographic medium processing vessel
>
Attachment or accessory
> Adjustable photographic medium holding means
Description:
Subject matter wherein the device includes means to alter the position of a material support.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
5251839
Snap-open film cartridge
Oct. 12, 1993
4332455
Archival print and film washer
Jun. 1, 1982
4185911
Photographic enlargement and development apparatus
Jan. 29, 1980
4032943
Dental x-ray film processing system
Jun. 28, 1977
4001855
Rapid-flow washer for photographic sheet material
Jan. 4, 1977
3998434
Photographic tray rocker
Dec. 21, 1976
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