Woven bag sleeved with inner film

The woven bag comprises an outer bag and the inner film arranged in the outer bag and connected with the outer bag in a sewed mode, the outer bag comprises a bag body, a bag bottom sewed portion located at the lower end of the bag body and an opening portion located at the upper end of the bag body,...

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Bibliographische Detailangaben
1. Verfasser: ZHOU GUANGZAN
Format: Patent
Sprache:chi ; eng
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