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DE741597C
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Process for the production of clad semi-finished products
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DE741849C
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Welded or soldered connection for the production of wires, rods, rails, profiles or the like from composite materials
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DE522331C
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Process for the production of particularly thin heavy metal coatings on aluminum by plating
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DE541660C
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Process for producing a yellow surface layer on copper using aluminum
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US1898917A
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Process of welding aluminium or alloys thereof to other metals
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DE570565C
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Process for gilding glass by applying and burning in a gold solution on the back of the glass
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DE569495C
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Process for reducing pitting in iron provided with a clad aluminum layer
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DE505733C
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Process for the improvement of aluminum sheets and strips, especially for the production of cooking vessels
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