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US5904870A
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Laser lens heater
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US5874899A
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Tank level gauge and sensor head therefor
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US5886642A
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Tank barge interface
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US5886312A
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Switch level control for tank ullage determining system
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US5648844A
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Laser liquid level gauge with diffuser
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US5585786A
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Optical tank-level gauge
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US5544675A
|
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Frangible valve handle
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US5394650A
|
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Manway cover balancing mechanism
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US5340078A
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Actuator for valve
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US5342026A
|
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Valve including resilient mount for pin
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US5269342A
|
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T-fitting
|
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US5257771A
|
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Powered actuator for valve
|
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US5194747A
|
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Liquid level gauge comparing moldulations of incident and reflected loser beams
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US5165444A
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Spill valve
|
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US5131694A
|
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Joint seal between valve body and removable port
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US5124686A
|
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Tank level alarm control system
|
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US5020367A
|
|
Tank-level gauge
|
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US4924703A
|
|
Tank-level alarm control system
|
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US4763581A
|
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Multi-station carrel unit
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US4461397A
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Protective device for mobile tanks having bottom discontinuities
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