Longitudinal stretching equipment for BOPET film
The utility model discloses longitudinal stretching equipment for a BOPET (Biaxially Oriented Polyethylene Terephthalate) film, and belongs to the technical field of BOPET film production. The conveying device comprises a conveying track and a plurality of chassis, the conveying track comprises a pl...
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Format: | Patent |
Sprache: | chi ; eng |
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