Title:
【考案の名称】竪型炉のガスシール弁
Document Type and Number:
Japanese Patent JP2522718
Kind Code:
Y2
Inventors:
Naofumi Sugawara
Application Number:
JP9785090U
Publication Date:
January 16, 1997
Filing Date:
September 18, 1990
Export Citation:
Assignee:
Ishikawajima Harima Heavy Industries Co., Ltd.
International Classes:
F16K1/36; F16K1/42; (IPC1-7): F16K1/36; F16K1/42
Domestic Patent References:
| JP5647958U | ||||
| JP63145084U | ||||
| JP6374566U | ||||
| JP5333851Y2 |
Attorney, Agent or Firm:
Tsunemitsu Yamada (1 person outside)