High-strength and high-toughness food packaging roll film
The utility model discloses a high-strength high-toughness food packaging roll film which comprises a winding drum, a film body is wound on the surface of the winding drum, the film body comprises a base layer, a strengthening layer, a toughness layer, a high-temperature-resistant layer, a waterproo...
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Format: | Patent |
Sprache: | chi ; eng |
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