IHK RHEIN-NECKAR MANNHEIM August 2022 IHK RHEIN NECKAR Vollversammlung Sommer 2003 URKUNDE https://polygraficum.de peter.helm@polygraphicum.net http://polygraficum.de ARTIFEX 1980 sites.google.com/site/artifex1980 references https://web.archive.org/web/20091115161911/http://www.polygraphicum.de/refs.html BIG APPLE ast coast TRANSATLANTIC west coast sites.google.com/site/helmpolygraphicumhelm

IHK RHEIN-NECKAR MANNHEIM August 2022 IHK RHEIN NECKAR Vollversammlung Sommer 2003 URKUNDE http://polygraficum.de peter.helm@polygraphicum.net http://polygraphicum.de ARTIFEX 1980 https://sites.google.com/site/artifex1980 references referenzen https://web.archive.org/web/20091115161911/http://www.polygraphicum.de/refs.html http://0700polygraf.blogspot.com/2018/01/peter-helm-referenzen-aus-aller-welt.html BIG APPLE ast coast TRANSATLANTIC west coast https://sites.google.com/site/helmpolygraphicumhelm https://web.archive.org/web/20100108042004/http://www.polygraphicum.de/polpix.html