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Class Information
Number: 337/26
Name: Electricity: electrothermally or thermally actuated switches > Electrothermally actuated switches > Fluorescent lamp-starting devices > With significant contact structure or composition
Description: Subject matter including specific details of contact arrangement, structure or composition of material.

Sub-classes under this class:

Class Number Class Name Patents
337/27 Bimetallic element 23

Patents under this class:

Patent Number Title Of Patent Date Issued
4656396 Fluorescent lamp circuit breaker with low contact resistance Apr. 7, 1987
4314181 Arc discharge lamp starting device Feb. 2, 1982

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