Novel traceless paper

The utility model relates to the technical field of printing paper manufacturing, in particular to novel traceless paper. Comprising addition type silica gel A, addition type silica gel B and printing paper, the addition type silica gel A is arranged above the printing paper, and the addition type s...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	SONG XINCHEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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