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JPS471900U  失效

  • Patent Title:
  • Application No.: JP220571
    Application Date: 1971-01-22
  • Publication No.: JPS471900U
    Publication Date: 1972-08-21
  • Priority: JP220571 1971-01-22
  • Main IPC: B64C39/06
  • IPC: B64C39/06 ;  B64C39/00
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