作者: Errold B Thomas
DOI:
关键词: Process engineering 、 Container (type theory) 、 Engineering drawing 、 Engineering 、 Closure (container)
摘要: This invention relates to flexible containers and wrappers, more particularly those of the envelope, pouch like types, especially intended for use as retail or dispensing holders commodities, merchandise, etc. It aims provide an attractive, inexpensive otherwise...