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GB243952A
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Improvements in and relating to spinning boxes used in spinning artificial silk
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DE347961C
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Process for forming weld seams
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DE347302C
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Process for the production of rustproof, heat-resistant coatings made of aluminum bronze on iron objects
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DE324676C
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Process for casting aluminum or other metals in iron or metal molds
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DE324391C
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Process for the production of dense castings from aluminum using highly heated molds
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DE330917C
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Process for aluminizing metal objects
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DE324748C
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Process for casting aluminum in heated molds
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DE332429C
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Process for forming weld seams on food cans
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