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DE977500C
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Process for the production of ceramic bonds for grinding wheels and grinding tools
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DE1047054B
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Exchangeable grinding body segment for face grinding wheels
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DE955290C
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Abrasives, cleaning or polishing preparations
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DE668988C
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Process for the manufacture of abrasives
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DE738444C
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Refractory body cast from the melt flow
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DE634788C
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Grinding stone for producing wood pulp
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DE644674C
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Device for shredding materials, in particular for refining paper stock
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DE593499C
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Polishing or grinding device and process for its manufacture
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DE571436C
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Method of making abrasive material
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DE579336C
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Process for the manufacture of abrasives
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DE570245C
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Method and device for manufacturing refractory objects, in particular melting crucibles
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DE533208C
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Wandering sanding belt
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DE552152C
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Printing machine for front and back printing
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DE616225C
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Process for the production of refractory ceramic masses
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DE571868C
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Process for the production of abrasive bodies bonded by hard rubber from a rubber dispersion
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