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97509161 - PLANTCOOL
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Serial number 97509161
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Filing date Jul 19, 2022
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The Hong Kong Polytechnic University
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24 - Textiles and textile goods, not included in other classes
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90199629 - POLYU ANTIVIRUS3D
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Serial number 90199629
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Filing date Sep 22, 2020
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The Hong Kong Polytechnic University
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1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
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78425185 - WALTER
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Serial number 78425185
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Filing date May 26, 2004
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The Hong Kong Polytechnic University
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments