Side necks are parallel to the centre neck. With white inscription. Acc. to DIN 12392.

NS jointed round bottom flasks, 3 necks
Flasks round bottom, with three necks
NS jointed round bottom flasks, 3 necks
Flasks round bottom, with three necks
NS jointed round bottom flasks, 3 necks
Flasks round bottom, with three necks
NS jointed round bottom flasks, 3 necks
Flasks round bottom, with three necks
NS jointed round bottom flasks, 3 necks
Flasks round bottom, with three necks
NS jointed round bottom flasks, 3 necks
Flasks round bottom, with three necks
NS jointed round bottom flasks, 3 necks
Flasks round bottom, with three necks