Title:
【発明の名称】多管式熱交換器用チャンネルカバー
Document Type and Number:
Japanese Patent JP3374345
Kind Code:
B2
Inventors:
Sumio Kanai
Norikazu Omiya
Norikazu Omiya
Application Number:
JP14716098A
Publication Date:
February 04, 2003
Filing Date:
May 28, 1998
Export Citation:
Assignee:
Nippon Special Pipe Sales Co., Ltd.
International Classes:
F16L9/02; B21D53/06; F28D7/08; F28D7/16; F28F9/26; (IPC1-7): B21D53/06; F16L9/02; F28D7/16
Domestic Patent References:
| JP2142988A | ||||
| JP4281194A | ||||
| JP574334A | ||||
| JP763052A | ||||
| JP5361762U | ||||
| JP517462U |
Attorney, Agent or Firm:
Hiroshi Tanaka (1 outside)