Title:
水中マスク
Document Type and Number:
Japanese Patent JP5377270
Kind Code:
B2
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Inventors:
Kiyoji Hattori
Tetsuo Yoshizawa
Tetsuo Yoshizawa
Application Number:
JP2009291004A
Publication Date:
December 25, 2013
Filing Date:
December 22, 2009
Export Citation:
Assignee:
Japan Submersible Co., Ltd.
International Classes:
A63B33/00
Domestic Patent References:
| JP3080073U | ||||
| JP606748A | ||||
| JP2006204423A | ||||
| JP1085364A | ||||
| JP2005145048A |
Attorney, Agent or Firm:
Yougo Kobayashi