_Dr. Ursula Becker,
_Lucio del Piccolo,
A coffee machine from the Brevetti Robbiati business in Milan.
This particular model with the pressure relief valve (PRV) has popped up in 3 countries until now (update 26 August 2012): Germany, Denmark and Sweden.
It is spring operated and uses a weight to seal the valve.
A pressure machine has to fit to different legal regulations.
In Germany, these are collected in the AD-Merkblatt:
Here the first 2 pages:
Since the license to manufacture this coffee machine has been sold to a business in Solingen (Nordrhein-Westfalen / Germany)... one can wonder when will we see a coffee machine badged with "XXX Solingen Made in Germany".
Here some very nice shots from Petter Dahlström, Sweden: