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3546724
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Information
Patent Grant
3546724
References
Source
Patent Number
3,546,724
Date Filed
Not available
Date Issued
Tuesday, December 15, 1970
53 years ago
CPC
A47C27/0453 - Attachment of spring inlays to outer layers
A47C23/125 - using vertically mounted tension springs
A47C27/062 - of different resiliencies
A47C27/065 - of special shape
US Classifications
005 - Beds
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