Title:
【発明の名称】二重配管のエルボ部の構造
Document Type and Number:
Japanese Patent JP3375586
Kind Code:
B2
Inventors:
Osamu Muramatsu
Application Number:
JP2000010591A
Publication Date:
February 10, 2003
Filing Date:
January 19, 2000
Export Citation:
Assignee:
Osamu Muramatsu
International Classes:
F16L43/00; F16L39/00; (IPC1-7): F16L43/00; F16L39/00
Domestic Patent References:
| JP3194298A | ||||
| JP9292064A | ||||
| JP649893U | ||||
| JP6114296U |
Attorney, Agent or Firm:
Masamichi Miyata