Title:
ジャンピング電流低減方法及び管材の連接用構造物及びそれを備えた配管設備
Document Type and Number:
Japanese Patent JP4382247
Kind Code:
B2
Inventors:
Akinobu Nishikawa
Hidemasa Nonaka
Akira Kumagai
Noboru Nakagami
Hidemasa Nonaka
Akira Kumagai
Noboru Nakagami
Application Number:
JP2000116572A
Publication Date:
December 09, 2009
Filing Date:
April 18, 2000
Export Citation:
Assignee:
OSAKA GAS CO.,LTD.
International Classes:
F16L58/00; F17D5/00
Domestic Patent References:
| JP9170687A | ||||
| JP11124695A | ||||
| JP2001153279A | ||||
| JP61156783U | ||||
| JP200181581A | ||||
| JP200181582A |
Attorney, Agent or Firm:
Shuichiro Kitamura