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73739536
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Serial number 73739536
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Registration number 1525435
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Filing date Jul 11, 1988
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PRAIRIETEK CORPORATION
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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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73713657 - PRAIRIETEK
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Serial number 73713657
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Registration number 1506927
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Filing date Feb 29, 1988
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PRAIRIETEK CORPORATION
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments