Title:
【発明の名称】ダイヤフラムバルブおよびダイヤフラムの製造方法
Document Type and Number:
Japanese Patent JP3013188
Kind Code:
B2
Inventors:
Yutaka Koyama
Application Number:
JP19334990A
Publication Date:
February 28, 2000
Filing Date:
July 20, 1990
Export Citation:
Assignee:
Seiko Instruments Inc.
International Classes:
F16K7/12; C22C19/03; C22C19/07; C22C30/00; C22F1/00; C22F1/10; (IPC1-7): C22C19/07; C22C19/03; C22C30/00; C22F1/00; C22F1/10; F16K7/12
Domestic Patent References:
| JP62130251A | ||||
| JP62136543A | ||||
| JP56108851A |
Attorney, Agent or Firm:
Keinosuke Hayashi