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PURPOSE: To obtain the proper hardness and impregnate a large amount of ink by negatively or positively carving a character or a pattern on a surface of a main body made of a porous material, and forming a layer impregnatable with ink on a rear face of the main body. CONSTITUTION: A character or a p...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: KIN YUUSHIYOU
Format: Patent
Sprache:eng
Schlagworte:
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