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Electrical & Energy
Class Information
Number:
136/89P
Name:
Batteries: thermoelectric and photoelectric
>
Description:
Sub-classes under this class:
Class Number
Class Name
Patents
136/200
Thermoelectric
52
136/243
Photoelectric
70
136/290
Testing, calibrating, treating (e.g., aging, etc.)
113
136/291
Applications
516
Patents under this class:
Patent Number
Title Of Patent
Date Issued
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