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72175674 - PI TAPE
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Serial number 72175674
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Registration number 780290
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Filing date Aug 23, 1963
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Pi Tape
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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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72175673 - PT
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Serial number 72175673
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Registration number 771863
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Filing date Aug 23, 1963
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Pi Tape
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments