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14 detailed drawings (8.5 by 11 to 18 by 24 in.) and a parts list used for the assembly of a Greuel Rotary Cold-Fold test machine. This apparatus is used for measuring the cold-crack resistance on all types of upholstery leather, especially in the field of automotive upholstery.
Adjunct to D1912 Test Method for Cold-Crack Resistance of Upholstery Leather