Title:
逆止弁
Document Type and Number:
Japanese Patent JP4177915
Kind Code:
B2
Inventors:
Yoshiyuki Kitajima
Application Number:
JP12615098A
Publication Date:
November 05, 2008
Filing Date:
May 08, 1998
Export Citation:
Assignee:
Kumagaya Iron Works Co., Ltd.
International Classes:
F16K1/18; F16K15/03; F16K1/22; F16K31/72; F16K37/00; F16K47/02
Domestic Patent References:
| JP4157220A | ||||
| JP62041980U | ||||
| JP55158362U | ||||
| JP60007476U | ||||
| JP56003358A | ||||
| JP59066070U | ||||
| JP52028736U | ||||
| JP53042807Y1 | ||||
| JP52077433U | ||||
| JP9299502A | ||||
| JP59072368U | ||||
| JP60028667U | ||||
| JP4203682A | ||||
| JP32773Y2 |
Attorney, Agent or Firm:
Fujita Akira