Matches in DBpedia 2016-04 for { ?s ?p "The Lambertsen Amphibious Respiratory Unit (LARU, for short) is an early model of closed circuit oxygen rebreather, used by military frogmen. Christian J. Lambertsen designed a series of them in the USA in 1940 (patent filing date: 16 Dec 1940) and in 1944 (issue date: 2 May 1944)."@en }
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- Lambertsen_Amphibious_Respiratory_Unit abstract "The Lambertsen Amphibious Respiratory Unit (LARU, for short) is an early model of closed circuit oxygen rebreather, used by military frogmen. Christian J. Lambertsen designed a series of them in the USA in 1940 (patent filing date: 16 Dec 1940) and in 1944 (issue date: 2 May 1944).".
- Q6481379 abstract "The Lambertsen Amphibious Respiratory Unit (LARU, for short) is an early model of closed circuit oxygen rebreather, used by military frogmen. Christian J. Lambertsen designed a series of them in the USA in 1940 (patent filing date: 16 Dec 1940) and in 1944 (issue date: 2 May 1944).".
- Lambertsen_Amphibious_Respiratory_Unit comment "The Lambertsen Amphibious Respiratory Unit (LARU, for short) is an early model of closed circuit oxygen rebreather, used by military frogmen. Christian J. Lambertsen designed a series of them in the USA in 1940 (patent filing date: 16 Dec 1940) and in 1944 (issue date: 2 May 1944).".
- Q6481379 comment "The Lambertsen Amphibious Respiratory Unit (LARU, for short) is an early model of closed circuit oxygen rebreather, used by military frogmen. Christian J. Lambertsen designed a series of them in the USA in 1940 (patent filing date: 16 Dec 1940) and in 1944 (issue date: 2 May 1944).".