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Class Information
Number: 5/274
Name: Beds > Bedsteads > Having bottom > Of springs > Elements > Top connections > Zigzag guy
Description: Devices comprising guys crossing the frame between the rows of springs, but alternately approaching and receding from the row.

Patents under this class:

Patent Number Title Of Patent Date Issued
4092749 Mattress spring unit construction Jun. 6, 1978

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