Invention Grant
US07479244B2 Process for the production of plates made of transparent plastic material with non-transparent areas 有权
生产由不透明区域的透明塑料制成的板材的工艺

Process for the production of plates made of transparent plastic material with non-transparent areas
Abstract:
Described herein is a process for the production of plates made of plastic material by means of sequential injection with the mould half-open and a subsequent step of compression obtained by closing the mould.
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