Title:
【発明の名称】逆止弁
Document Type and Number:
Japanese Patent JPH071036
Kind Code:
B2
Inventors:
Eiichi Ito
Morioka Kin ya
Ryuichi Nakamura
Kazuo Kobayashi
Morioka Kin ya
Ryuichi Nakamura
Kazuo Kobayashi
Application Number:
JP6420686A
Publication Date:
January 11, 1995
Filing Date:
March 24, 1986
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
F16K15/16; F04C7/00; F04C19/00; (IPC1-7): F04C7/00; F04C19/00; F16K15/16
Domestic Patent References:
JP555428A | ||||
JP52119506U | ||||
JP5113684Y1 |
Attorney, Agent or Firm:
Masami Akimoto
Next Patent: PRODUCTION OF PIPE