发明授权
US4311756A Leather belts or aprons for textile machines 失效
纺织机械皮带或围裙

Leather belts or aprons for textile machines
摘要:
The invention relates to a belt or apron for textile machines comprising a layer or lamination of a belt or apron as covered by U.S. Pat. No. 4,061,803 superimposed upon and bonded to a ply of resilient cellular polyurethane felt-like material.
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