Perforating device for advertisement production

The utility model discloses a punching device for advertisement manufacturing, which comprises a bottom plate, sliding grooves are symmetrically formed in the top of the bottom plate, L-shaped plates are symmetrically arranged at the top of the bottom plate, a positioning frame is arranged at the to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: YAO QIANLIN
Format: Patent
Sprache:chi ; eng
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