Biaxially oriented protective film with long service life

The utility model discloses a two-way stretching protective film with long service life, which relates to the technical field of protective films and comprises a main body, a rotating roller is arranged in the main body, a stretching-resistant mechanism is arranged on the outer surface of the upper...

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Bibliographische Detailangaben
1. Verfasser: XUE SHAOHUA
Format: Patent
Sprache:chi ; eng
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