Sponge multi-layer surrounding roller
The utility model discloses a roller surrounded by a plurality of layers of sponges, which relates to the technical field of rollers, and comprises a support body, a sponge body, a sleeve body, a rubber layer, an anti-pulling piece and an interface, the support body is arranged on the innermost laye...
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Format: | Patent |
Sprache: | chi ; eng |
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