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Class 178/62 - Chemical


Subclass of Class 178 - Telegraphy
Definition: Systems in which the message transmitted by current impulses
No. of patents: 1
Last issue date: 01/27/1976


NumberTitleIssue Date
3935333Method for forming a transparent image on a sheet
A transparent image forming sheet and method for forming transparent images on the sheet, in which the sheet comprises a transparent film base, an opaque conductor layer being formed on one side of the transparent film base and a semiconductive layer cont...
01/27/1976
 
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