PET (Polyethylene Terephthalate) film with positioning structure and flat cutter die for processing PET film
The utility model relates to a PET (Polyethylene Terephthalate) film with positioning structures and a flat cutter die for processing the PET film, which comprise a film body and a plurality of positioning structures formed on the film body through punching, each positioning structure comprises a ma...
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Format: | Patent |
Sprache: | chi ; eng |
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