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Improvements relating to cast iron shot
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Metallic blasting and abrasive material
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High-carbon ferrous-base composition for producing articles by powder metallurgy
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Metal blasting material and method of producing the same
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Means for making abrasive material
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Improvements in process of making steel abrasive material
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Process of making metal abrasive material
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Process and mechanism for making metal pellets
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Method of making steel abrasive materials
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Metal shot
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Metal blasting material
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