Title:
ゴーグルマスク、逆止弁装置及び逆止弁装置の製造方法
Document Type and Number:
Japanese Patent JP5281111
Kind Code:
B2
Inventors:
Satoru Makoto
Application Number:
JP2011095378A
Publication Date:
September 04, 2013
Filing Date:
April 21, 2011
Export Citation:
Assignee:
Makoto Kogyo Co., Ltd.
International Classes:
A63B33/00; B63C11/12; F16K15/14
Domestic Patent References:
| JP2005280563A | ||||
| JP3038946U | ||||
| JP9164994A |
Foreign References:
| US6598239 | ||||
| US5979441 |
Attorney, Agent or Firm:
Kimura Mitsuru
Taiji Morikawa
Taiji Morikawa