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DE4117141A1
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Spherical powder and granules prodn. - by atomising solid rod using plasma jet as former is fed into seal container
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Prodn. of spherical powder and granules - by atomising molten stream using hot gas and plasma jet
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METHOD AND DEVICE FOR HEAT TREATMENT OF BLASTING AGENTS OR THE LIKE
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Loudspeaker box
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Spherical wave horn
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Process and apparatus for the production of steel granulate, especially as abrasive
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DE3345983A1
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METHOD AND DEVICE FOR PRODUCING SPHERICAL METALLIC PARTICLES
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