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Class Information
Number:
355/221
Name:
Photocopying
>
Description:
Sub-classes under this class:
Class Number
Class Name
Patents
355/1
Including fiber optics
258
355/133
Miscellaneous
167
355/18
Projection printing and copying cameras
174
355/2
Hologram, seismogram, graph or scale copying
17
355/400
Using microcapsules
53
355/78
Contact printing
63
Patents under this class:
Patent Number
Title Of Patent
Date Issued
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