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85866243 - QUADRIL
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Serial number 85866243
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Filing date Mar 4, 2013
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National Oilwell DHT, L.P.
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7 - Machines and machine tools
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85291946 - BLACKBOX
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Serial number 85291946
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Registration number 4356140
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Filing date Apr 11, 2011
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National Oilwell DHT, L.P.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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78616928 - HYDROSHIFT
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Serial number 78616928
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Registration number 3529073
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Filing date Apr 26, 2005
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National Oilwell DHT, L.P.
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7 - Machines and machine tools