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A filling material comprising clusters of bonded thermoplastic fibers, the fibers having crimped configuration and being bonded together at only one location in each cluster, the bonding location extending along a minor proportion of the length of the fibers, characterized by the fibers being bonded at locations that vary in different clusters in the filling material.
TW086109012A1996-06-281997-06-27Filling material and process for preparing clusters of bonded thermoplastic fibers
TW353686B
(en)