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FI11517A
(en)
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Refractory for the production of metals and alloys in the electric fire
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FR712915A
(en)
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Induction furnace
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FR622685A
(en)
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Personal torch
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FI11658A
(en)
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Sätt och anordning för skärning av metal med tillhjälp av elektrisk ström
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FR660843A
(en)
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Production of new metallic coloring materials
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ES100417A3
(en)
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Improvements in the manufacture of metals and alloys in the electric furnace.
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FR656736A
(en)
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Electric furnace for metal smelting and other applications
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FR653900A
(en)
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Advanced metal alloy
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FR37855E
(en)
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Production of new dyestuffs and the resulting products
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CA268191A
(en)
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Metal melting furnace
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CA274367A
(en)
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Reverberatory furnace
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CA267252A
(en)
|
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Reverberatory furnace
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FR653460A
(en)
|
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Magnetic alloy
|
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FR644537A
(en)
|
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Advanced blast furnace
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CA275339A
(en)
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Electric smelting furnace
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FR628681A
(en)
|
|
Advanced metal wheelbarrow
|
|
FR663610A
(en)
|
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Improvement of refractory materials
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ES107683A3
(en)
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Furnace for the production of volatile metals from minerals and products.
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CA269502A
(en)
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Electric furnace
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CA271006A
(en)
|
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Electric furnace
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CA274452A
(en)
|
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Electric furnace
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CA274653A
(en)
|
|
Electric furnace
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GB303973A
(en)
|
|
Improvements in or relating to electrical protective or alarm arrangements
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GB283800A
(en)
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Improvements in the construction of tank-ships
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CA272493A
(en)
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Refractory material
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