Method and device for packaging a product, and a packaged product
作者： Hans Rudolf Baartmans
DOI:
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摘要: The invention relates to a method and device ( 1 ) for packaging product in material. It also packaged products obtained by them the material that has been provided with one or more openings, order make it easy open package. can be cover element. A punching unit 5 is described comprises rotatable backing roll 34 ), punch 33 frame which are arranged respect each other, where rotate independently of ). openings
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