Title:
管継手構造
Document Type and Number:
Japanese Patent JP5475851
Kind Code:
B1
Inventors:
Takashi Shimizu
Seiji Matsushima
Mitsuyoshi Hoshino
Seiji Matsushima
Mitsuyoshi Hoshino
Application Number:
JP2012235548A
Publication Date:
April 16, 2014
Filing Date:
October 25, 2012
Export Citation:
Assignee:
Nippon Cast Iron Pipe Co., Ltd.
Tokyo Gas Co., Ltd.
Tokyo Gas Co., Ltd.
International Classes:
F16L21/08; F16L21/04; F16L57/00
Domestic Patent References:
| JP10132168A | ||||
| JP9196255A | ||||
| JP2006266386A | ||||
| JP2007064438A |
Attorney, Agent or Firm:
Patent Business Corporation Intect International Patent Office
Yasuo Ishikawa
Yasuo Ishikawa