Punching set that can do 600 holes / hour.
Conjunto para el punzonado de cartelas para 600 perforaciones por hora.

Description

Punching set that can do 600 holes / hour. Image taken from an article of DYNA.

Linked items

Documents:

Permanent links

DMG-Lib		https://www.dmg-lib.org/dmglib/handler?image=31244023
Europeana		http://www.europeana.eu/portal/record/2020801/dmglib_handler_image_31244023.html

Data provider

Univ. Basque C.

http://www.ehu.es/compmech/welcome/Home.html

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