Title:
二重管の継手構造
Document Type and Number:
Japanese Patent JP5346890
Kind Code:
B2
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Inventors:
Susumu Sato
Application Number:
JP2010168306A
Publication Date:
November 20, 2013
Filing Date:
July 27, 2010
Export Citation:
Assignee:
Watanabe Manufacturing Co., Ltd.
International Classes:
F16L39/00
Domestic Patent References:
| JP200485062A | ||||
| JP2009228699A |
Attorney, Agent or Firm:
Toshio Hirayama