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1647222
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Information
Patent Grant
1647222
References
Source
Patent Number
1,647,222
Date Filed
Not available
Date Issued
Tuesday, November 1, 1927
97 years ago
CPC
A47C31/026 - passing through the upholstery
B68G11/03 - with stitched or bonded fibre webs
Y10S5/951 - Comprising plant derived material
US Classifications
005 - Beds
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