US Patent D1019778 Mechanical pencil
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Edits on 29 Mar, 2024
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US Patent D1019778 Mechanical pencil
Infobox
Is a
Patent Jurisdiction
Patent Number
Patent Inventor Names
Juwen Wang0
Date of Patent
March 26, 2024
0Patent Application Number
297750570
Date Filed
March 20, 2021
0Patent Citations
Patent Primary Examiner
CPC Code
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