gru nellen
http://www.hansebubeforum.de/showtopic.php?threadid=3442&pagenum=145
Dovrebbe essere un BJÖRNKRANAR svedese da 15 tonnellate:
https://www.maskinisten.net/viewtopic.php?p=235761
https://www.maskinisten.net/viewtopic.php?f=88&t=9193&start=15