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Invention Grant
US3052535A Recovering lead from by-product lead materials 失效
从副产品铅材料中回收铅

  • Patent Title: Recovering lead from by-product lead materials
  • Patent Title (中): 从副产品铅材料中回收铅
  • Application No.: US5714660
    Application Date: 1960-09-20
  • Publication No.: US3052535A
    Publication Date: 1962-09-04
  • Inventor: IRWIN PETERS JOHN
  • Applicant: DU PONT
  • Assignee: Du Pont
  • Current Assignee: Du Pont
  • Priority: US5714660 1960-09-20
  • Main IPC: C22B13/00
  • IPC: C22B13/00 ;  C22B13/02
Recovering lead from by-product lead materials
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