(57) [summary] The present invention relates to bind the structure of the pencil cap, easily provide the core sharpener for a pencil that can sharpener core. A present invention of the pencil for the core sharpener is, a hole 111 which corresponds to the diameter of the seal 11 central ...
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while the 2B lead is ideal for detailed sketching and drawing. The 2.0mm writing point provides a fine line, making it suitable for intricate work. Whether you're a student, an artist, or a professional, this mechanical pencil caters to all your writing and drawing needs. **Eco-Friendly ...
2Pcs Creative Double Holes Pencil Sharpener Makeup Multi Purpose Mechanical Pencils Sharpener Office School Stationery Supplies Color: B Random Product sellpoints Suitable for All Ages:Designed for users aged 3 and above, this sharpener is a reliable tool for students and professionals alike. Multi-...
Pencil driven mechanical pencil sharpener 优质文献 相似文献 参考文献 引证文献Pencil sharpener for leads The capacity of the container (8,19) is variable, being composed of adjustable and relatively arrestable parts (8,10) and with an opening (7) at the sharpe... KUM GMBH & CO KG KUNSTSTOFF...
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Antique Mechanical Pencil Sharpener Gallery ~ 1900-1909 ~ Model, Year, Maker Click Image to Enlarge Challenge Pencil Sharpener Patented 1900 Cook & Grover Lynn, MA Duplex Pencil Sharpener Patented 1900 Charles Babcock, Troy, NY Collection of the National Museum of American History, Smithsonian Instit...
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Imitation wood mechanical pencil made of plastics and labor saving in the sharpening process, is not easy to break off the pencil core, and can be matched with a purpose-made pencil sharpener for ... 王逎俊 被引量: 0发表: 1988年 Sharpener for soft core pencils A pencil sharpener for a ...