DIN 12394 and in addition to DIN standard. Central neck with 2 x 20° angled side 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
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
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
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
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
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