I'm sorry mate, I can't comment since you say you are in Germany.
I know nothing of bikes sold in Europe.
You might google Lugged frames to see who built bikes with them and when along
with what makes up a quality Lugged frame so you know what to look for.
__________________
My preferred bicycle brand is.......WORKSMAN CYCLES
I dislike clipless pedals on any city bike since I feel they are unsafe.
Originally Posted by krazygluon
Steel: nearly a thousand years of metallurgical development
Aluminum: barely a hundred, which one would you rather have under your butt at 30mph?