Title:
【発明の名称】渦巻形伝熱管体の製作方法
Document Type and Number:
Japanese Patent JP3332052
Kind Code:
B2
Inventors:
Yuji Karado
Toshiro Nariso
Toshiro Nariso
Application Number:
JP26855093A
Publication Date:
October 07, 2002
Filing Date:
October 27, 1993
Export Citation:
Assignee:
Kiyohara Masako
International Classes:
F28D7/04; B21D7/024; B21D11/07; B21D53/06; (IPC1-7): B21D53/06; B21D7/024; B21D11/07; F28D7/04
Domestic Patent References:
| JP53110160A | ||||
| JP5760689A | ||||
| JP58214786A | ||||
| JP5196377A | ||||
| JP51161666U |
Attorney, Agent or Firm:
Takeo Sugimoto