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US4277651A
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Telephone dialer
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CA1095260A
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Nickel sulfide benefication process
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CA982325A
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Apparatus for recovery of metal sulfide and sulfur
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CA1012269A
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Solid state interrupter for telephone signalling systems
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US3965240A
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High density magnesia pellet and method for making same
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US3919492A
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Solid state interrupter
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US3923712A
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Metal oxide paste dispersions and use as curing agents
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US3951849A
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Production of dispersions of fine powders
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US3856994A
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Key telephone unit line card
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US3904400A
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Segregation roast process for the recovery of nickel from lateritic ore
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US3850845A
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Metal oxide paste dispersions and use as curing agents
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AU4629272A
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Production of dispersions of fine powders
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US3784680A
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Cyclical process for recovery of elemental sulfur from waste gases
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US3826812A
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Treatment of flue gases and the like
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US3677779A
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Process for improving the hydration resistance of dead-burned magnesia
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US3725039A
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Recovery of nickel concentrates from laterite ores
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US3720308A
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Heavy liquid separation of brucite from associated minerals of brucitic ores
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US3640382A
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Flotation concentration of magnesite with emulsified collector reagents
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US3578162A
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Beneficiation of magnesian ores or the like
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GB1262678A
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Shaft kiln discharging mechanism
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