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Invention Grant
US883047A Escape-valve for water-closet flushing-tanks. 失效
用于水封式冲洗罐的ESCAPE阀。

  • Patent Title: Escape-valve for water-closet flushing-tanks.
  • Patent Title (中): 用于水封式冲洗罐的ESCAPE阀。
  • Application No.: US1906344565
    Application Date: 1906-11-22
  • Publication No.: US883047A
    Publication Date: 1908-03-24
  • Inventor: PFA CHARLES , PFAU EDWARD G
  • Applicant: PFAU MFG COMPANY
  • Assignee: Pfau Mfg Company
  • Current Assignee: Pfau Mfg Company
  • Priority: US1906344565 1906-11-22
Escape-valve for water-closet flushing-tanks.
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