1
Предметы: ...Building materials...
Juntas en edificios de acero
2
Предметы: ...Strength of materials...
Nitrocarburacin̤ Austent̕ica del Acero AISI-SAE 1020 con alcoholes y trietanolamina
4
Предметы: ...Strength of materials...
Plasma Nitriding of Bored Barrels
5
Предметы: ...Strength of materials...
Design of steel structures