Apparatus for applying reference markings to wallboard during manufacture

An apparatus and method for applying reference or grid markings to wallboard during the manufacturing process is disclosed. Reference or grid markings are applied to one sheet of cover paper at a location between the originating cover paper rolls and the cover paper creaser or creasers. This is acco...

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Bibliographische Detailangaben

Hauptverfasser:	Fox, Jr, William Ralph, Merfeld, Melissa Susan
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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