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Spinning rotor has surfaces with a coating consisting of an intermediate layer which is free from hard material between two hard material-containing layers in contact with the fibers and thread
Spinning rotor has surfaces with a coating consisting of an intermediate layer which is free from hard material between two hard material-containing layers in contact with the fibers and thread
Spinning rotor has surfaces with a coating in contact with the fibers and thread. The coating consists of an intermediate layer (9) which is free from hard material between two hard material-containing layers (7, 10).
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