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Pressing type writing instrument
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Patent number 12,030,336
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Issue date Jul 9, 2024
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QINGDAO BEST POINT STATIONERY CO., LTD.
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Yuanhong Wang
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Writing instrument
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Patent number 11,660,903
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Issue date May 30, 2023
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QINGDAO BEST POINT STATIONERY CO., LTD.
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Yuanhong Wang
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Writing tool with anti-drying device
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Patent number 11,584,152
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Issue date Feb 21, 2023
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QINGDAO BEST POINT STATIONERY CO., LTD.
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Yuanhong Wang
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES