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EP0858288A2
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Method and apparatus for continuous, non-invasive monitoring of blood pressure parameters
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US1533940A
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Feeder and scales
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US1544475A
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Feeder and scale for kickback dumps
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US1519925A
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Automatic feeder
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US1509375A
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Automatic lander
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US1509374A
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Feeder for kickback dumps
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US1486105A
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Automatic feeder
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US1469680A
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Feeding and weighing device
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US1486104A
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Rotary-dump feeder mechanism
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US1362958A
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Mine-car cager
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US1337945A
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Mine-car cager
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US1337944A
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Mine-car cager
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US1293519A
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Safety device for mines.
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US1254622A
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Control mechanism for automatic safety mine-car cagers.
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US1254621A
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Tilting platform for mine-car dumps.
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US1144374A
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Automatic car-cager.
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US1170316A
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Automatic car-cager.
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US1072977A
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Stop for mining-cars.
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