Method of sealing thermoplastic material
作者： Jr James H Lloyd
DOI:
关键词: Closure (topology) 、 Thermoplastic 、 Composite material 、 Materials science
摘要: This invention relates to containers, such as envelopes, bags, pouches and the like, formed of a thermoplastic substance method making same. More particularly, it sealing one end flattened tubing closure...
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