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the writing-core being made from wear-resistant substances

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Industry

  • CPC
  • B43K19/08
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43KIMPLEMENTS FOR WRITING OR DRAWING B43K19/00Non-propelling pencils Styles Crayons Chalks

Current Industry

B43K19/08the writing-core being made from wear-resistant substances
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