US1183103A
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Air-brake apparatus.
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US1157954A
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Air-retaining valve for air-brake apparatus.
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US1162383A
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Feed-valve for air-brake apparatus.
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US1128622A
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Quick-action release mechanism for air-brakes.
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US1125871A
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Triple valve for air-brakes.
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US1089578A
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Compensating valve.
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US1089576A
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Compensating valve.
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US1089575A
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Auxiliary-pressure-control valve.
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US1091754A
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Auxiliary-pressure-control valve.
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US1089577A
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Compensating valve.
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US1089579A
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Compensating valve.
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US1091763A
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Method and means for forming diaphragms.
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US1089574A
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Compensating valve.
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US1082758A
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Triple valve for air-brakes.
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US1062300A
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Means for forming and supporting diaphragms.
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US1078303A
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Triple valve for air-brakes.
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US1012695A
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Triple valve for air-brakes.
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US1012694A
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Triple valve for air-brakes.
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US1012693A
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Distributing-valve for air-brakes.
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US970736A
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Pressure-regulating apparatus.
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