FYI
Pfaff
https://rexel.com.pl/content/27-katalogi-pfaff
Dürkopp-Adler
https://rexel.com.pl/content/19-katalogi-durkopp-adler
Minerva
https://rexel.com.pl/content/33-katalogi-minerva
diverses
https://rexel.com.pl/content/6-pliki-do-pobrania