| |||
| cementation oven; carburizing furnace; casehardening furnace; cementing-furnace; converting furnace; furnace for making iron | |||
|
four de cementation : 2 phrases in 1 subject |
| Metallurgy | 2 |
| |||
| cementation oven; carburizing furnace; casehardening furnace; cementing-furnace; converting furnace; furnace for making iron | |||
|
four de cementation : 2 phrases in 1 subject |
| Metallurgy | 2 |