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Method of steel making
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Incendiary bullet of snap-action
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Face chuck for mounting grinding disc
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Grinding method
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Method for correcting flaws of castings
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Friction powder material
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Method for separation of small arms cartridges
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Cartridge case
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Method of arc welding with nonconsumable electrodes
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Method for electric arc welding by nonconsumable electrode for surfacing parts
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Hoist operating mechanism
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