Title:
管継手、及び、管の過電圧保護方法
Document Type and Number:
Japanese Patent JP4986688
Kind Code:
B2
Inventors:
Minoru Fujiyoshi
Masahiro Mouri
Fumitaka Sato
Tamaki Hamaguchi
Masahiro Mouri
Fumitaka Sato
Tamaki Hamaguchi
Application Number:
JP2007099329A
Publication Date:
July 25, 2012
Filing Date:
April 05, 2007
Export Citation:
Assignee:
Hitachi Metals Co., Ltd.
Tokyo Gas Co., Ltd.
Tokyo Gas Co., Ltd.
International Classes:
F16L33/26; F16L25/00
Domestic Patent References:
| JP11280580A | ||||
| JP2005308210A | ||||
| JP64003188U | ||||
| JP2040185U |
Attorney, Agent or Firm:
Shiroyuki Hori
Yasuhiro Shioda
Yasuhiro Shioda