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US07661510B2 Method for the manufacture of a light-weight sheet 有权
轻质片材的制造方法

Method for the manufacture of a light-weight sheet
Abstract:
The invention is directed to a method for manufacturing a sandwich like constructed light weight sheet with sound absorption characteristics, by which an acoustically absorbing cover layer, a substantially grid shape configured first intermediate layer and a bottom layer are bound together, wherein the light weight sheet has a defined surface.
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