Title:
【発明の名称】円周溝真空ポンプ
Document Type and Number:
Japanese Patent JP2761486
Kind Code:
B2
Inventors:
IKEGAMI TATSUJI
OOHAYASHI TETSUO
YOSHIDA KEIICHI
IGUCHI MASASHI
OOHAYASHI TETSUO
YOSHIDA KEIICHI
IGUCHI MASASHI
Application Number:
JP17414888A
Publication Date:
June 04, 1998
Filing Date:
July 13, 1988
Export Citation:
Assignee:
OOSAKA SHINKU KIKI SEISAKUSHO KK
International Classes:
F04D23/00; F04D19/04; (IPC1-7): F04D23/00; F04D19/04
Domestic Patent References:
| JP60116895A | ||||
| JP4815606U |
Attorney, Agent or Firm:
Teruaki Koyama