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75677321 - SPECTRUM
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Serial number 75677321
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Filing date Apr 8, 1999
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TRI-TECH, INC.
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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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73060636 - TRI TECH
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Serial number 73060636
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Registration number 1092759
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Filing date Aug 15, 1975
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TRI-TECH, INC.
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14 - Precious metals and their alloys and goods in precious metals or coated therewith, not included in other classes