Paper punch die and paper punch with such a die

A paper punch die is disclosed as including a top part and a platform engaged with each other, the platform having an upper major surface and a lower major surface, the upper major surface of the platform being in abutment with a lower major surface of the top part, and an endless wall with an undul...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Chan, Kwok Ki Stephen
Format: Patent
Sprache:eng
Online-Zugang:Volltext bestellen
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