ES10902A1 -
Improvements in the process of treating copper and its alloys to prevent oxidation of the same while it is heated or annealed.
- Google Patents
Improvements in the process of treating copper and its alloys to prevent oxidation of the same while it is heated or annealed.
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ES10902A1890-06-101890-06-10
Improvements in the process of treating copper and its alloys to prevent oxidation of the same while it is heated or annealed.
ExpiredES10902A1
(en)
Improvements introduced in the construction of furnaces for the manufacture of iron, steel and other ductile metals by the heating method, which allows solid and fluid substances to be introduced into them during heating.