Lochstein /INDUSTRY-METAL/
[DE] Lochstein
[EN] nozzle seating block; pocket block; rammed well
[FR] brique de siège; porte busette; siège porte-busette
Lochortstein,Lochstein,Markstein,Tagepflock /SCIENCE,ENERGY-MINING/
[DE] Lochortstein; Lochstein; Markstein; Tagepflock
[EN] boundary stone of a mining field
[FR] borne de délimitation de mine; borne de surface