Title:
【考案の名称】多段水封式真空ポンプ
Document Type and Number:
Japanese Patent JPH0622152
Kind Code:
Y2
Inventors:
Norio An
Application Number:
JP8137789U
Publication Date:
June 08, 1994
Filing Date:
July 11, 1989
Export Citation:
Assignee:
Miura Industry Co., Ltd.
International Classes:
F04C25/02; F04C19/00; (IPC1-7): F04C19/00; F04C25/02
Attorney, Agent or Firm:
Dozo Isono (1 person outside)
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