Title:
【発明の名称】バタフライバルブのシート構造
Document Type and Number:
Japanese Patent JP2665748
Kind Code:
B2
Inventors:
Chikashi Gomi
Application Number:
JP25375187A
Publication Date:
October 22, 1997
Filing Date:
October 09, 1987
Export Citation:
Assignee:
KITZ CORPORATION
OSAKA GAS CO.,LTD.
OSAKA GAS CO.,LTD.
International Classes:
F16K1/226; F16K5/06; (IPC1-7): F16K1/226; F16K5/06
Domestic Patent References:
| JP5997369A | ||||
| JP5759258U | ||||
| JP55144253U | ||||
| JP63166767U |
Attorney, Agent or Firm:
Tetsuo Kobayashi